11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * fs/nfs/nfs4xdr.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Client-side XDR for NFSv4. 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Copyright (c) 2002 The Regents of the University of Michigan. 71da177e4SLinus Torvalds * All rights reserved. 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * Kendrick Smith <kmsmith@umich.edu> 101da177e4SLinus Torvalds * Andy Adamson <andros@umich.edu> 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Redistribution and use in source and binary forms, with or without 131da177e4SLinus Torvalds * modification, are permitted provided that the following conditions 141da177e4SLinus Torvalds * are met: 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * 1. Redistributions of source code must retain the above copyright 171da177e4SLinus Torvalds * notice, this list of conditions and the following disclaimer. 181da177e4SLinus Torvalds * 2. Redistributions in binary form must reproduce the above copyright 191da177e4SLinus Torvalds * notice, this list of conditions and the following disclaimer in the 201da177e4SLinus Torvalds * documentation and/or other materials provided with the distribution. 211da177e4SLinus Torvalds * 3. Neither the name of the University nor the names of its 221da177e4SLinus Torvalds * contributors may be used to endorse or promote products derived 231da177e4SLinus Torvalds * from this software without specific prior written permission. 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 261da177e4SLinus Torvalds * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 271da177e4SLinus Torvalds * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 281da177e4SLinus Torvalds * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 291da177e4SLinus Torvalds * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 301da177e4SLinus Torvalds * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 311da177e4SLinus Torvalds * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 321da177e4SLinus Torvalds * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 331da177e4SLinus Torvalds * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 341da177e4SLinus Torvalds * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 351da177e4SLinus Torvalds * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 361da177e4SLinus Torvalds */ 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds #include <linux/param.h> 391da177e4SLinus Torvalds #include <linux/time.h> 401da177e4SLinus Torvalds #include <linux/mm.h> 411da177e4SLinus Torvalds #include <linux/errno.h> 421da177e4SLinus Torvalds #include <linux/string.h> 431da177e4SLinus Torvalds #include <linux/in.h> 441da177e4SLinus Torvalds #include <linux/pagemap.h> 451da177e4SLinus Torvalds #include <linux/proc_fs.h> 461da177e4SLinus Torvalds #include <linux/kdev_t.h> 471da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 482449ea2eSAlexandros Batsakis #include <linux/sunrpc/msg_prot.h> 495a5ea0d4SBryan Schumaker #include <linux/sunrpc/gss_api.h> 501da177e4SLinus Torvalds #include <linux/nfs.h> 511da177e4SLinus Torvalds #include <linux/nfs4.h> 521da177e4SLinus Torvalds #include <linux/nfs_fs.h> 531da177e4SLinus Torvalds #include <linux/nfs_idmap.h> 544ce79717STrond Myklebust #include "nfs4_fs.h" 554882ef72SAlexandros Batsakis #include "internal.h" 56b1f69b75SAndy Adamson #include "pnfs.h" 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_XDR 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds /* Mapping from NFS error code to "errno" error code. */ 611da177e4SLinus Torvalds #define errno_NFSERR_IO EIO 621da177e4SLinus Torvalds 630a8ea437SDavid Howells static int nfs4_stat_to_errno(int); 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ 661da177e4SLinus Torvalds #ifdef DEBUG 671da177e4SLinus Torvalds #define NFS4_MAXTAGLEN 20 681da177e4SLinus Torvalds #else 691da177e4SLinus Torvalds #define NFS4_MAXTAGLEN 0 701da177e4SLinus Torvalds #endif 711da177e4SLinus Torvalds 721da177e4SLinus Torvalds /* lock,open owner id: 739f958ab8STrond Myklebust * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) 741da177e4SLinus Torvalds */ 75d035c36cSTrond Myklebust #define open_owner_id_maxsz (1 + 1 + 4) 76d035c36cSTrond Myklebust #define lock_owner_id_maxsz (1 + 1 + 4) 779104a55dSTrond Myklebust #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 781da177e4SLinus Torvalds #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 791da177e4SLinus Torvalds #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 801da177e4SLinus Torvalds #define op_encode_hdr_maxsz (1) 811da177e4SLinus Torvalds #define op_decode_hdr_maxsz (2) 829104a55dSTrond Myklebust #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) 839104a55dSTrond Myklebust #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) 849104a55dSTrond Myklebust #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) 859104a55dSTrond Myklebust #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) 861da177e4SLinus Torvalds #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ 871da177e4SLinus Torvalds (NFS4_FHSIZE >> 2)) 881da177e4SLinus Torvalds #define decode_putfh_maxsz (op_decode_hdr_maxsz) 891da177e4SLinus Torvalds #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) 901da177e4SLinus Torvalds #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) 911da177e4SLinus Torvalds #define encode_getfh_maxsz (op_encode_hdr_maxsz) 921da177e4SLinus Torvalds #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ 931da177e4SLinus Torvalds ((3+NFS4_FHSIZE) >> 2)) 9496928206SJ. Bruce Fields #define nfs4_fattr_bitmap_maxsz 3 9596928206SJ. Bruce Fields #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) 961da177e4SLinus Torvalds #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) 971da177e4SLinus Torvalds #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) 98bd625ba8STrond Myklebust #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 99bd625ba8STrond Myklebust #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 10096928206SJ. Bruce Fields /* This is based on getfattr, which uses the most attributes: */ 10196928206SJ. Bruce Fields #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ 102bd625ba8STrond Myklebust 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) 10396928206SJ. Bruce Fields #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ 10496928206SJ. Bruce Fields nfs4_fattr_value_maxsz) 10596928206SJ. Bruce Fields #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) 1069104a55dSTrond Myklebust #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ 1079104a55dSTrond Myklebust 1 + 2 + 1 + \ 1089104a55dSTrond Myklebust nfs4_owner_maxsz + \ 1099104a55dSTrond Myklebust nfs4_group_maxsz + \ 1109104a55dSTrond Myklebust 4 + 4) 1111da177e4SLinus Torvalds #define encode_savefh_maxsz (op_encode_hdr_maxsz) 1121da177e4SLinus Torvalds #define decode_savefh_maxsz (op_decode_hdr_maxsz) 11356ae19f3STrond Myklebust #define encode_restorefh_maxsz (op_encode_hdr_maxsz) 11456ae19f3STrond Myklebust #define decode_restorefh_maxsz (op_decode_hdr_maxsz) 1152f42b5d0SFred Isaman #define encode_fsinfo_maxsz (encode_getattr_maxsz) 1167ebb9315SBryan Schumaker #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 15) 1171da177e4SLinus Torvalds #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) 1181da177e4SLinus Torvalds #define decode_renew_maxsz (op_decode_hdr_maxsz) 1191da177e4SLinus Torvalds #define encode_setclientid_maxsz \ 1201da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 121cc38bac3SChuck Lever XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ 122cc38bac3SChuck Lever XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ 123cc38bac3SChuck Lever 1 /* sc_prog */ + \ 124cc38bac3SChuck Lever XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ 125cc38bac3SChuck Lever XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ 126cc38bac3SChuck Lever 1) /* sc_cb_ident */ 1271da177e4SLinus Torvalds #define decode_setclientid_maxsz \ 1281da177e4SLinus Torvalds (op_decode_hdr_maxsz + \ 1291da177e4SLinus Torvalds 2 + \ 1301da177e4SLinus Torvalds 1024) /* large value for CLID_INUSE */ 1311da177e4SLinus Torvalds #define encode_setclientid_confirm_maxsz \ 1321da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 1331da177e4SLinus Torvalds 3 + (NFS4_VERIFIER_SIZE >> 2)) 1341da177e4SLinus Torvalds #define decode_setclientid_confirm_maxsz \ 1351da177e4SLinus Torvalds (op_decode_hdr_maxsz) 136e6889620STrond Myklebust #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) 137e6889620STrond Myklebust #define decode_lookup_maxsz (op_decode_hdr_maxsz) 1382cebf828STrond Myklebust #define encode_share_access_maxsz \ 1392cebf828STrond Myklebust (2) 1404882ef72SAlexandros Batsakis #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) 1412cebf828STrond Myklebust #define encode_opentype_maxsz (1 + encode_createmode_maxsz) 1422cebf828STrond Myklebust #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) 1432cebf828STrond Myklebust #define encode_open_maxsz (op_encode_hdr_maxsz + \ 1442cebf828STrond Myklebust 2 + encode_share_access_maxsz + 2 + \ 1452cebf828STrond Myklebust open_owner_id_maxsz + \ 1462cebf828STrond Myklebust encode_opentype_maxsz + \ 1472cebf828STrond Myklebust encode_claim_null_maxsz) 1482cebf828STrond Myklebust #define decode_ace_maxsz (3 + nfs4_owner_maxsz) 1499104a55dSTrond Myklebust #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ 1502cebf828STrond Myklebust decode_ace_maxsz) 1512cebf828STrond Myklebust #define decode_change_info_maxsz (5) 1522cebf828STrond Myklebust #define decode_open_maxsz (op_decode_hdr_maxsz + \ 1539104a55dSTrond Myklebust decode_stateid_maxsz + \ 1542cebf828STrond Myklebust decode_change_info_maxsz + 1 + \ 1552cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz + \ 1562cebf828STrond Myklebust decode_delegation_maxsz) 1579104a55dSTrond Myklebust #define encode_open_confirm_maxsz \ 1589104a55dSTrond Myklebust (op_encode_hdr_maxsz + \ 1599104a55dSTrond Myklebust encode_stateid_maxsz + 1) 1609104a55dSTrond Myklebust #define decode_open_confirm_maxsz \ 1619104a55dSTrond Myklebust (op_decode_hdr_maxsz + \ 1629104a55dSTrond Myklebust decode_stateid_maxsz) 1639104a55dSTrond Myklebust #define encode_open_downgrade_maxsz \ 1649104a55dSTrond Myklebust (op_encode_hdr_maxsz + \ 1659104a55dSTrond Myklebust encode_stateid_maxsz + 1 + \ 1669104a55dSTrond Myklebust encode_share_access_maxsz) 1679104a55dSTrond Myklebust #define decode_open_downgrade_maxsz \ 1689104a55dSTrond Myklebust (op_decode_hdr_maxsz + \ 1699104a55dSTrond Myklebust decode_stateid_maxsz) 1709104a55dSTrond Myklebust #define encode_close_maxsz (op_encode_hdr_maxsz + \ 1719104a55dSTrond Myklebust 1 + encode_stateid_maxsz) 1729104a55dSTrond Myklebust #define decode_close_maxsz (op_decode_hdr_maxsz + \ 1739104a55dSTrond Myklebust decode_stateid_maxsz) 1749104a55dSTrond Myklebust #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ 1759104a55dSTrond Myklebust encode_stateid_maxsz + \ 1769104a55dSTrond Myklebust encode_attrs_maxsz) 1779104a55dSTrond Myklebust #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ 1789104a55dSTrond Myklebust nfs4_fattr_bitmap_maxsz) 1799104a55dSTrond Myklebust #define encode_read_maxsz (op_encode_hdr_maxsz + \ 1809104a55dSTrond Myklebust encode_stateid_maxsz + 3) 1819104a55dSTrond Myklebust #define decode_read_maxsz (op_decode_hdr_maxsz + 2) 1829104a55dSTrond Myklebust #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ 1839104a55dSTrond Myklebust 2 + encode_verifier_maxsz + 5) 1849104a55dSTrond Myklebust #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ 1859104a55dSTrond Myklebust decode_verifier_maxsz) 1869104a55dSTrond Myklebust #define encode_readlink_maxsz (op_encode_hdr_maxsz) 1879104a55dSTrond Myklebust #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) 1889104a55dSTrond Myklebust #define encode_write_maxsz (op_encode_hdr_maxsz + \ 1899104a55dSTrond Myklebust encode_stateid_maxsz + 4) 1909104a55dSTrond Myklebust #define decode_write_maxsz (op_decode_hdr_maxsz + \ 1919104a55dSTrond Myklebust 2 + decode_verifier_maxsz) 1929104a55dSTrond Myklebust #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) 1939104a55dSTrond Myklebust #define decode_commit_maxsz (op_decode_hdr_maxsz + \ 1949104a55dSTrond Myklebust decode_verifier_maxsz) 1951da177e4SLinus Torvalds #define encode_remove_maxsz (op_encode_hdr_maxsz + \ 1961da177e4SLinus Torvalds nfs4_name_maxsz) 1976ce18391SBenny Halevy #define decode_remove_maxsz (op_decode_hdr_maxsz + \ 1986ce18391SBenny Halevy decode_change_info_maxsz) 1991da177e4SLinus Torvalds #define encode_rename_maxsz (op_encode_hdr_maxsz + \ 2001da177e4SLinus Torvalds 2 * nfs4_name_maxsz) 2016ce18391SBenny Halevy #define decode_rename_maxsz (op_decode_hdr_maxsz + \ 2026ce18391SBenny Halevy decode_change_info_maxsz + \ 2036ce18391SBenny Halevy decode_change_info_maxsz) 2041da177e4SLinus Torvalds #define encode_link_maxsz (op_encode_hdr_maxsz + \ 2051da177e4SLinus Torvalds nfs4_name_maxsz) 2066ce18391SBenny Halevy #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) 207daccbdedSTrond Myklebust #define encode_lockowner_maxsz (7) 2089104a55dSTrond Myklebust #define encode_lock_maxsz (op_encode_hdr_maxsz + \ 2099104a55dSTrond Myklebust 7 + \ 210daccbdedSTrond Myklebust 1 + encode_stateid_maxsz + 1 + \ 211daccbdedSTrond Myklebust encode_lockowner_maxsz) 2129104a55dSTrond Myklebust #define decode_lock_denied_maxsz \ 2139104a55dSTrond Myklebust (8 + decode_lockowner_maxsz) 2149104a55dSTrond Myklebust #define decode_lock_maxsz (op_decode_hdr_maxsz + \ 2159104a55dSTrond Myklebust decode_lock_denied_maxsz) 216daccbdedSTrond Myklebust #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ 217daccbdedSTrond Myklebust encode_lockowner_maxsz) 2189104a55dSTrond Myklebust #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ 2199104a55dSTrond Myklebust decode_lock_denied_maxsz) 2209104a55dSTrond Myklebust #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ 2219104a55dSTrond Myklebust encode_stateid_maxsz + \ 2229104a55dSTrond Myklebust 4) 2239104a55dSTrond Myklebust #define decode_locku_maxsz (op_decode_hdr_maxsz + \ 2249104a55dSTrond Myklebust decode_stateid_maxsz) 225d3c7b7ccSTrond Myklebust #define encode_release_lockowner_maxsz \ 226d3c7b7ccSTrond Myklebust (op_encode_hdr_maxsz + \ 227d3c7b7ccSTrond Myklebust encode_lockowner_maxsz) 228d3c7b7ccSTrond Myklebust #define decode_release_lockowner_maxsz \ 229d3c7b7ccSTrond Myklebust (op_decode_hdr_maxsz) 2309104a55dSTrond Myklebust #define encode_access_maxsz (op_encode_hdr_maxsz + 1) 2319104a55dSTrond Myklebust #define decode_access_maxsz (op_decode_hdr_maxsz + 2) 2321da177e4SLinus Torvalds #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ 2331da177e4SLinus Torvalds 1 + nfs4_name_maxsz + \ 23494a6d753SChuck Lever 1 + \ 23596928206SJ. Bruce Fields nfs4_fattr_maxsz) 2361da177e4SLinus Torvalds #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) 2371da177e4SLinus Torvalds #define encode_create_maxsz (op_encode_hdr_maxsz + \ 2389104a55dSTrond Myklebust 1 + 2 + nfs4_name_maxsz + \ 2399104a55dSTrond Myklebust encode_attrs_maxsz) 2402cebf828STrond Myklebust #define decode_create_maxsz (op_decode_hdr_maxsz + \ 2412cebf828STrond Myklebust decode_change_info_maxsz + \ 2422cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz) 2439104a55dSTrond Myklebust #define encode_statfs_maxsz (encode_getattr_maxsz) 2449104a55dSTrond Myklebust #define decode_statfs_maxsz (decode_getattr_maxsz) 2451da177e4SLinus Torvalds #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) 2461da177e4SLinus Torvalds #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) 2479104a55dSTrond Myklebust #define encode_getacl_maxsz (encode_getattr_maxsz) 2489104a55dSTrond Myklebust #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ 2499104a55dSTrond Myklebust nfs4_fattr_bitmap_maxsz + 1) 2509104a55dSTrond Myklebust #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ 2519104a55dSTrond Myklebust encode_stateid_maxsz + 3) 2529104a55dSTrond Myklebust #define decode_setacl_maxsz (decode_setattr_maxsz) 253e6889620STrond Myklebust #define encode_fs_locations_maxsz \ 254e6889620STrond Myklebust (encode_getattr_maxsz) 255e6889620STrond Myklebust #define decode_fs_locations_maxsz \ 256e6889620STrond Myklebust (0) 2575a5ea0d4SBryan Schumaker #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) 2585a5ea0d4SBryan Schumaker #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 4 + (NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN))) 2599b7b9fccSAndy Adamson 2609b7b9fccSAndy Adamson #if defined(CONFIG_NFS_V4_1) 261fc931582SAndy Adamson #define NFS4_MAX_MACHINE_NAME_LEN (64) 262fc931582SAndy Adamson 26399fe60d0SBenny Halevy #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ 26499fe60d0SBenny Halevy encode_verifier_maxsz + \ 26599fe60d0SBenny Halevy 1 /* co_ownerid.len */ + \ 26699fe60d0SBenny Halevy XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ 26799fe60d0SBenny Halevy 1 /* flags */ + \ 26899fe60d0SBenny Halevy 1 /* spa_how */ + \ 26999fe60d0SBenny Halevy 0 /* SP4_NONE (for now) */ + \ 27099fe60d0SBenny Halevy 1 /* zero implemetation id array */) 27199fe60d0SBenny Halevy #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ 27299fe60d0SBenny Halevy 2 /* eir_clientid */ + \ 27399fe60d0SBenny Halevy 1 /* eir_sequenceid */ + \ 27499fe60d0SBenny Halevy 1 /* eir_flags */ + \ 27599fe60d0SBenny Halevy 1 /* spr_how */ + \ 27699fe60d0SBenny Halevy 0 /* SP4_NONE (for now) */ + \ 27799fe60d0SBenny Halevy 2 /* eir_server_owner.so_minor_id */ + \ 27899fe60d0SBenny Halevy /* eir_server_owner.so_major_id<> */ \ 27999fe60d0SBenny Halevy XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ 28099fe60d0SBenny Halevy /* eir_server_scope<> */ \ 28199fe60d0SBenny Halevy XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ 28299fe60d0SBenny Halevy 1 /* eir_server_impl_id array length */ + \ 28399fe60d0SBenny Halevy 0 /* ignored eir_server_impl_id contents */) 284fc931582SAndy Adamson #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) 285fc931582SAndy Adamson #define decode_channel_attrs_maxsz (6 + \ 286fc931582SAndy Adamson 1 /* ca_rdma_ird.len */ + \ 287fc931582SAndy Adamson 1 /* ca_rdma_ird */) 288fc931582SAndy Adamson #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ 289fc931582SAndy Adamson 2 /* csa_clientid */ + \ 290fc931582SAndy Adamson 1 /* csa_sequence */ + \ 291fc931582SAndy Adamson 1 /* csa_flags */ + \ 292fc931582SAndy Adamson encode_channel_attrs_maxsz + \ 293fc931582SAndy Adamson encode_channel_attrs_maxsz + \ 294fc931582SAndy Adamson 1 /* csa_cb_program */ + \ 295fc931582SAndy Adamson 1 /* csa_sec_parms.len (1) */ + \ 296fc931582SAndy Adamson 1 /* cb_secflavor (AUTH_SYS) */ + \ 297fc931582SAndy Adamson 1 /* stamp */ + \ 298fc931582SAndy Adamson 1 /* machinename.len */ + \ 299fc931582SAndy Adamson XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ 300fc931582SAndy Adamson 1 /* uid */ + \ 301fc931582SAndy Adamson 1 /* gid */ + \ 302fc931582SAndy Adamson 1 /* gids.len (0) */) 303fc931582SAndy Adamson #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ 304fc931582SAndy Adamson XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ 305fc931582SAndy Adamson 1 /* csr_sequence */ + \ 306fc931582SAndy Adamson 1 /* csr_flags */ + \ 307fc931582SAndy Adamson decode_channel_attrs_maxsz + \ 308fc931582SAndy Adamson decode_channel_attrs_maxsz) 3090f3e66c6SAndy Adamson #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) 3100f3e66c6SAndy Adamson #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) 311fc01cea9SAndy Adamson #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ 312fc01cea9SAndy Adamson XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) 313fc01cea9SAndy Adamson #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ 314fc01cea9SAndy Adamson XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) 31518019753SRicardo Labiaga #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) 31618019753SRicardo Labiaga #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) 317b1f69b75SAndy Adamson #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ 318b1f69b75SAndy Adamson XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) 319b1f69b75SAndy Adamson #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ 320b1f69b75SAndy Adamson 1 /* layout type */ + \ 321b1f69b75SAndy Adamson 1 /* opaque devaddr4 length */ + \ 322b1f69b75SAndy Adamson /* devaddr4 payload is read into page */ \ 323b1f69b75SAndy Adamson 1 /* notification bitmap length */ + \ 324b1f69b75SAndy Adamson 1 /* notification bitmap */) 325b1f69b75SAndy Adamson #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ 326b1f69b75SAndy Adamson encode_stateid_maxsz) 327b1f69b75SAndy Adamson #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ 328b1f69b75SAndy Adamson decode_stateid_maxsz + \ 329b1f69b75SAndy Adamson XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) 330863a3c6cSAndy Adamson #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ 331863a3c6cSAndy Adamson 2 /* offset */ + \ 332863a3c6cSAndy Adamson 2 /* length */ + \ 333863a3c6cSAndy Adamson 1 /* reclaim */ + \ 334863a3c6cSAndy Adamson encode_stateid_maxsz + \ 335863a3c6cSAndy Adamson 1 /* new offset (true) */ + \ 336863a3c6cSAndy Adamson 2 /* last byte written */ + \ 337863a3c6cSAndy Adamson 1 /* nt_timechanged (false) */ + \ 338863a3c6cSAndy Adamson 1 /* layoutupdate4 layout type */ + \ 339863a3c6cSAndy Adamson 1 /* NULL filelayout layoutupdate4 payload */) 340863a3c6cSAndy Adamson #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) 341cbe82603SBenny Halevy #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ 342cbe82603SBenny Halevy encode_stateid_maxsz + \ 343cbe82603SBenny Halevy 1 /* FIXME: opaque lrf_body always empty at the moment */) 344cbe82603SBenny Halevy #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ 345cbe82603SBenny Halevy 1 + decode_stateid_maxsz) 3469b7b9fccSAndy Adamson #else /* CONFIG_NFS_V4_1 */ 3479b7b9fccSAndy Adamson #define encode_sequence_maxsz 0 3489b7b9fccSAndy Adamson #define decode_sequence_maxsz 0 3499b7b9fccSAndy Adamson #endif /* CONFIG_NFS_V4_1 */ 3509b7b9fccSAndy Adamson 3511da177e4SLinus Torvalds #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ 3521da177e4SLinus Torvalds #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ 3531da177e4SLinus Torvalds #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ 3549b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3551da177e4SLinus Torvalds encode_putfh_maxsz + \ 3569104a55dSTrond Myklebust encode_read_maxsz) 3571da177e4SLinus Torvalds #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ 3589b7b9fccSAndy Adamson decode_sequence_maxsz + \ 3591da177e4SLinus Torvalds decode_putfh_maxsz + \ 3609104a55dSTrond Myklebust decode_read_maxsz) 3611da177e4SLinus Torvalds #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ 3629b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3631da177e4SLinus Torvalds encode_putfh_maxsz + \ 3649104a55dSTrond Myklebust encode_readlink_maxsz) 3651da177e4SLinus Torvalds #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ 3669b7b9fccSAndy Adamson decode_sequence_maxsz + \ 3671da177e4SLinus Torvalds decode_putfh_maxsz + \ 3689104a55dSTrond Myklebust decode_readlink_maxsz) 3691da177e4SLinus Torvalds #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ 3709b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3711da177e4SLinus Torvalds encode_putfh_maxsz + \ 3729104a55dSTrond Myklebust encode_readdir_maxsz) 3731da177e4SLinus Torvalds #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ 3749b7b9fccSAndy Adamson decode_sequence_maxsz + \ 3751da177e4SLinus Torvalds decode_putfh_maxsz + \ 3769104a55dSTrond Myklebust decode_readdir_maxsz) 3771da177e4SLinus Torvalds #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ 3789b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3791da177e4SLinus Torvalds encode_putfh_maxsz + \ 3809104a55dSTrond Myklebust encode_write_maxsz + \ 3814f9838c7STrond Myklebust encode_getattr_maxsz) 3821da177e4SLinus Torvalds #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ 3839b7b9fccSAndy Adamson decode_sequence_maxsz + \ 3841da177e4SLinus Torvalds decode_putfh_maxsz + \ 3859104a55dSTrond Myklebust decode_write_maxsz + \ 3864f9838c7STrond Myklebust decode_getattr_maxsz) 3871da177e4SLinus Torvalds #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ 3889b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3891da177e4SLinus Torvalds encode_putfh_maxsz + \ 3909104a55dSTrond Myklebust encode_commit_maxsz + \ 3914f9838c7STrond Myklebust encode_getattr_maxsz) 3921da177e4SLinus Torvalds #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ 3939b7b9fccSAndy Adamson decode_sequence_maxsz + \ 3941da177e4SLinus Torvalds decode_putfh_maxsz + \ 3959104a55dSTrond Myklebust decode_commit_maxsz + \ 3964f9838c7STrond Myklebust decode_getattr_maxsz) 3971da177e4SLinus Torvalds #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ 3989b7b9fccSAndy Adamson encode_sequence_maxsz + \ 3991da177e4SLinus Torvalds encode_putfh_maxsz + \ 4002cebf828STrond Myklebust encode_savefh_maxsz + \ 4012cebf828STrond Myklebust encode_open_maxsz + \ 4022cebf828STrond Myklebust encode_getfh_maxsz + \ 4031da177e4SLinus Torvalds encode_getattr_maxsz + \ 4042cebf828STrond Myklebust encode_restorefh_maxsz + \ 4052cebf828STrond Myklebust encode_getattr_maxsz) 4061da177e4SLinus Torvalds #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ 4079b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4081da177e4SLinus Torvalds decode_putfh_maxsz + \ 4092cebf828STrond Myklebust decode_savefh_maxsz + \ 4102cebf828STrond Myklebust decode_open_maxsz + \ 4112cebf828STrond Myklebust decode_getfh_maxsz + \ 4121da177e4SLinus Torvalds decode_getattr_maxsz + \ 4132cebf828STrond Myklebust decode_restorefh_maxsz + \ 4142cebf828STrond Myklebust decode_getattr_maxsz) 4151da177e4SLinus Torvalds #define NFS4_enc_open_confirm_sz \ 4161da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 4171da177e4SLinus Torvalds encode_putfh_maxsz + \ 4189104a55dSTrond Myklebust encode_open_confirm_maxsz) 4199104a55dSTrond Myklebust #define NFS4_dec_open_confirm_sz \ 4209104a55dSTrond Myklebust (compound_decode_hdr_maxsz + \ 4211da177e4SLinus Torvalds decode_putfh_maxsz + \ 4229104a55dSTrond Myklebust decode_open_confirm_maxsz) 4231da177e4SLinus Torvalds #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ 4249b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4251da177e4SLinus Torvalds encode_putfh_maxsz + \ 4262cebf828STrond Myklebust encode_open_maxsz + \ 4272cebf828STrond Myklebust encode_getattr_maxsz) 4281da177e4SLinus Torvalds #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ 4299b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4301da177e4SLinus Torvalds decode_putfh_maxsz + \ 4312cebf828STrond Myklebust decode_open_maxsz + \ 4322cebf828STrond Myklebust decode_getattr_maxsz) 4331da177e4SLinus Torvalds #define NFS4_enc_open_downgrade_sz \ 4341da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 4359b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4361da177e4SLinus Torvalds encode_putfh_maxsz + \ 4379104a55dSTrond Myklebust encode_open_downgrade_maxsz + \ 438516a6af6STrond Myklebust encode_getattr_maxsz) 4391da177e4SLinus Torvalds #define NFS4_dec_open_downgrade_sz \ 4401da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 4419b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4421da177e4SLinus Torvalds decode_putfh_maxsz + \ 4439104a55dSTrond Myklebust decode_open_downgrade_maxsz + \ 444516a6af6STrond Myklebust decode_getattr_maxsz) 4451da177e4SLinus Torvalds #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ 4469b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4471da177e4SLinus Torvalds encode_putfh_maxsz + \ 4489104a55dSTrond Myklebust encode_close_maxsz + \ 449516a6af6STrond Myklebust encode_getattr_maxsz) 4501da177e4SLinus Torvalds #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ 4519b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4521da177e4SLinus Torvalds decode_putfh_maxsz + \ 4539104a55dSTrond Myklebust decode_close_maxsz + \ 454516a6af6STrond Myklebust decode_getattr_maxsz) 4551da177e4SLinus Torvalds #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ 4569b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4571da177e4SLinus Torvalds encode_putfh_maxsz + \ 4589104a55dSTrond Myklebust encode_setattr_maxsz + \ 4591da177e4SLinus Torvalds encode_getattr_maxsz) 4601da177e4SLinus Torvalds #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ 4619b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4621da177e4SLinus Torvalds decode_putfh_maxsz + \ 4639104a55dSTrond Myklebust decode_setattr_maxsz + \ 4649104a55dSTrond Myklebust decode_getattr_maxsz) 4651da177e4SLinus Torvalds #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ 4669b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4671da177e4SLinus Torvalds encode_putfh_maxsz + \ 4681da177e4SLinus Torvalds encode_fsinfo_maxsz) 4691da177e4SLinus Torvalds #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ 4709b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4711da177e4SLinus Torvalds decode_putfh_maxsz + \ 4721da177e4SLinus Torvalds decode_fsinfo_maxsz) 4731da177e4SLinus Torvalds #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ 4741da177e4SLinus Torvalds encode_renew_maxsz) 4751da177e4SLinus Torvalds #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ 4761da177e4SLinus Torvalds decode_renew_maxsz) 4771da177e4SLinus Torvalds #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ 4781da177e4SLinus Torvalds encode_setclientid_maxsz) 4791da177e4SLinus Torvalds #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ 4801da177e4SLinus Torvalds decode_setclientid_maxsz) 4811da177e4SLinus Torvalds #define NFS4_enc_setclientid_confirm_sz \ 4821da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 4831da177e4SLinus Torvalds encode_setclientid_confirm_maxsz + \ 4841da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 4851da177e4SLinus Torvalds encode_fsinfo_maxsz) 4861da177e4SLinus Torvalds #define NFS4_dec_setclientid_confirm_sz \ 4871da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 4881da177e4SLinus Torvalds decode_setclientid_confirm_maxsz + \ 4891da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 4901da177e4SLinus Torvalds decode_fsinfo_maxsz) 4911da177e4SLinus Torvalds #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ 4929b7b9fccSAndy Adamson encode_sequence_maxsz + \ 4931da177e4SLinus Torvalds encode_putfh_maxsz + \ 4949104a55dSTrond Myklebust encode_lock_maxsz) 4951da177e4SLinus Torvalds #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ 4969b7b9fccSAndy Adamson decode_sequence_maxsz + \ 4971da177e4SLinus Torvalds decode_putfh_maxsz + \ 4989104a55dSTrond Myklebust decode_lock_maxsz) 4991da177e4SLinus Torvalds #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ 5009b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5011da177e4SLinus Torvalds encode_putfh_maxsz + \ 5029104a55dSTrond Myklebust encode_lockt_maxsz) 5039104a55dSTrond Myklebust #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ 5049b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5059104a55dSTrond Myklebust decode_putfh_maxsz + \ 5069104a55dSTrond Myklebust decode_lockt_maxsz) 5071da177e4SLinus Torvalds #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ 5089b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5091da177e4SLinus Torvalds encode_putfh_maxsz + \ 5109104a55dSTrond Myklebust encode_locku_maxsz) 5111da177e4SLinus Torvalds #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ 5129b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5131da177e4SLinus Torvalds decode_putfh_maxsz + \ 5149104a55dSTrond Myklebust decode_locku_maxsz) 515d3c7b7ccSTrond Myklebust #define NFS4_enc_release_lockowner_sz \ 516d3c7b7ccSTrond Myklebust (compound_encode_hdr_maxsz + \ 517d3c7b7ccSTrond Myklebust encode_lockowner_maxsz) 518d3c7b7ccSTrond Myklebust #define NFS4_dec_release_lockowner_sz \ 519d3c7b7ccSTrond Myklebust (compound_decode_hdr_maxsz + \ 520d3c7b7ccSTrond Myklebust decode_lockowner_maxsz) 5211da177e4SLinus Torvalds #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ 5229b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5231da177e4SLinus Torvalds encode_putfh_maxsz + \ 52476b32999STrond Myklebust encode_access_maxsz + \ 52576b32999STrond Myklebust encode_getattr_maxsz) 5261da177e4SLinus Torvalds #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ 5279b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5281da177e4SLinus Torvalds decode_putfh_maxsz + \ 52976b32999STrond Myklebust decode_access_maxsz + \ 53076b32999STrond Myklebust decode_getattr_maxsz) 5311da177e4SLinus Torvalds #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ 5329b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5331da177e4SLinus Torvalds encode_putfh_maxsz + \ 5341da177e4SLinus Torvalds encode_getattr_maxsz) 5351da177e4SLinus Torvalds #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ 5369b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5371da177e4SLinus Torvalds decode_putfh_maxsz + \ 5381da177e4SLinus Torvalds decode_getattr_maxsz) 5391da177e4SLinus Torvalds #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ 5409b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5411da177e4SLinus Torvalds encode_putfh_maxsz + \ 5421da177e4SLinus Torvalds encode_lookup_maxsz + \ 5431da177e4SLinus Torvalds encode_getattr_maxsz + \ 5441da177e4SLinus Torvalds encode_getfh_maxsz) 5451da177e4SLinus Torvalds #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ 5469b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5471da177e4SLinus Torvalds decode_putfh_maxsz + \ 548e6889620STrond Myklebust decode_lookup_maxsz + \ 5491da177e4SLinus Torvalds decode_getattr_maxsz + \ 5501da177e4SLinus Torvalds decode_getfh_maxsz) 5511da177e4SLinus Torvalds #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ 5529b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5531da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 5541da177e4SLinus Torvalds encode_getattr_maxsz + \ 5551da177e4SLinus Torvalds encode_getfh_maxsz) 5561da177e4SLinus Torvalds #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ 5579b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5581da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 5591da177e4SLinus Torvalds decode_getattr_maxsz + \ 5601da177e4SLinus Torvalds decode_getfh_maxsz) 5611da177e4SLinus Torvalds #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ 5629b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5631da177e4SLinus Torvalds encode_putfh_maxsz + \ 56416e42959STrond Myklebust encode_remove_maxsz + \ 56516e42959STrond Myklebust encode_getattr_maxsz) 5661da177e4SLinus Torvalds #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ 5679b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5681da177e4SLinus Torvalds decode_putfh_maxsz + \ 5696ce18391SBenny Halevy decode_remove_maxsz + \ 57016e42959STrond Myklebust decode_getattr_maxsz) 5711da177e4SLinus Torvalds #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ 5729b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5731da177e4SLinus Torvalds encode_putfh_maxsz + \ 5741da177e4SLinus Torvalds encode_savefh_maxsz + \ 5751da177e4SLinus Torvalds encode_putfh_maxsz + \ 5766caf2c82STrond Myklebust encode_rename_maxsz + \ 5776caf2c82STrond Myklebust encode_getattr_maxsz + \ 5786caf2c82STrond Myklebust encode_restorefh_maxsz + \ 5796caf2c82STrond Myklebust encode_getattr_maxsz) 5801da177e4SLinus Torvalds #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ 5819b7b9fccSAndy Adamson decode_sequence_maxsz + \ 5821da177e4SLinus Torvalds decode_putfh_maxsz + \ 5831da177e4SLinus Torvalds decode_savefh_maxsz + \ 5841da177e4SLinus Torvalds decode_putfh_maxsz + \ 5856caf2c82STrond Myklebust decode_rename_maxsz + \ 5866caf2c82STrond Myklebust decode_getattr_maxsz + \ 5876caf2c82STrond Myklebust decode_restorefh_maxsz + \ 5886caf2c82STrond Myklebust decode_getattr_maxsz) 5891da177e4SLinus Torvalds #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ 5909b7b9fccSAndy Adamson encode_sequence_maxsz + \ 5911da177e4SLinus Torvalds encode_putfh_maxsz + \ 5921da177e4SLinus Torvalds encode_savefh_maxsz + \ 5931da177e4SLinus Torvalds encode_putfh_maxsz + \ 59491ba2eeeSTrond Myklebust encode_link_maxsz + \ 59591ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 59691ba2eeeSTrond Myklebust encode_restorefh_maxsz + \ 59791ba2eeeSTrond Myklebust decode_getattr_maxsz) 5981da177e4SLinus Torvalds #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ 5999b7b9fccSAndy Adamson decode_sequence_maxsz + \ 6001da177e4SLinus Torvalds decode_putfh_maxsz + \ 6011da177e4SLinus Torvalds decode_savefh_maxsz + \ 6021da177e4SLinus Torvalds decode_putfh_maxsz + \ 60391ba2eeeSTrond Myklebust decode_link_maxsz + \ 60491ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 60591ba2eeeSTrond Myklebust decode_restorefh_maxsz + \ 60691ba2eeeSTrond Myklebust decode_getattr_maxsz) 6071da177e4SLinus Torvalds #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ 6089b7b9fccSAndy Adamson encode_sequence_maxsz + \ 6091da177e4SLinus Torvalds encode_putfh_maxsz + \ 6101da177e4SLinus Torvalds encode_symlink_maxsz + \ 6111da177e4SLinus Torvalds encode_getattr_maxsz + \ 6121da177e4SLinus Torvalds encode_getfh_maxsz) 6131da177e4SLinus Torvalds #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ 6149b7b9fccSAndy Adamson decode_sequence_maxsz + \ 6151da177e4SLinus Torvalds decode_putfh_maxsz + \ 6161da177e4SLinus Torvalds decode_symlink_maxsz + \ 6171da177e4SLinus Torvalds decode_getattr_maxsz + \ 6181da177e4SLinus Torvalds decode_getfh_maxsz) 6191da177e4SLinus Torvalds #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ 6209b7b9fccSAndy Adamson encode_sequence_maxsz + \ 6211da177e4SLinus Torvalds encode_putfh_maxsz + \ 62256ae19f3STrond Myklebust encode_savefh_maxsz + \ 6231da177e4SLinus Torvalds encode_create_maxsz + \ 62456ae19f3STrond Myklebust encode_getfh_maxsz + \ 6251da177e4SLinus Torvalds encode_getattr_maxsz + \ 62656ae19f3STrond Myklebust encode_restorefh_maxsz + \ 62756ae19f3STrond Myklebust encode_getattr_maxsz) 6281da177e4SLinus Torvalds #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ 6299b7b9fccSAndy Adamson decode_sequence_maxsz + \ 6301da177e4SLinus Torvalds decode_putfh_maxsz + \ 63156ae19f3STrond Myklebust decode_savefh_maxsz + \ 6321da177e4SLinus Torvalds decode_create_maxsz + \ 63356ae19f3STrond Myklebust decode_getfh_maxsz + \ 6341da177e4SLinus Torvalds decode_getattr_maxsz + \ 63556ae19f3STrond Myklebust decode_restorefh_maxsz + \ 63656ae19f3STrond Myklebust decode_getattr_maxsz) 6371da177e4SLinus Torvalds #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ 6389b7b9fccSAndy Adamson encode_sequence_maxsz + \ 6391da177e4SLinus Torvalds encode_putfh_maxsz + \ 6401da177e4SLinus Torvalds encode_getattr_maxsz) 6411da177e4SLinus Torvalds #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ 6429b7b9fccSAndy Adamson decode_sequence_maxsz + \ 6431da177e4SLinus Torvalds decode_putfh_maxsz + \ 6441da177e4SLinus Torvalds decode_getattr_maxsz) 6451da177e4SLinus Torvalds #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ 6469b7b9fccSAndy Adamson encode_sequence_maxsz + \ 6471da177e4SLinus Torvalds encode_putfh_maxsz + \ 6489104a55dSTrond Myklebust encode_statfs_maxsz) 6491da177e4SLinus Torvalds #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ 6509b7b9fccSAndy Adamson decode_sequence_maxsz + \ 6511da177e4SLinus Torvalds decode_putfh_maxsz + \ 6529104a55dSTrond Myklebust decode_statfs_maxsz) 6531da177e4SLinus Torvalds #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ 6549b7b9fccSAndy Adamson encode_sequence_maxsz + \ 655ab91f264STrond Myklebust encode_putfh_maxsz + \ 6561da177e4SLinus Torvalds encode_getattr_maxsz) 6571da177e4SLinus Torvalds #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ 6589b7b9fccSAndy Adamson decode_sequence_maxsz + \ 659ab91f264STrond Myklebust decode_putfh_maxsz + \ 6601da177e4SLinus Torvalds decode_getattr_maxsz) 6611da177e4SLinus Torvalds #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ 6629b7b9fccSAndy Adamson encode_sequence_maxsz + \ 6631da177e4SLinus Torvalds encode_putfh_maxsz + \ 664fa178f29STrond Myklebust encode_delegreturn_maxsz + \ 665fa178f29STrond Myklebust encode_getattr_maxsz) 6661da177e4SLinus Torvalds #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ 6679b7b9fccSAndy Adamson decode_sequence_maxsz + \ 668fa178f29STrond Myklebust decode_delegreturn_maxsz + \ 669fa178f29STrond Myklebust decode_getattr_maxsz) 670029d105eSJ. Bruce Fields #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ 6719b7b9fccSAndy Adamson encode_sequence_maxsz + \ 672029d105eSJ. Bruce Fields encode_putfh_maxsz + \ 6739104a55dSTrond Myklebust encode_getacl_maxsz) 674029d105eSJ. Bruce Fields #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ 6759b7b9fccSAndy Adamson decode_sequence_maxsz + \ 676029d105eSJ. Bruce Fields decode_putfh_maxsz + \ 6779104a55dSTrond Myklebust decode_getacl_maxsz) 67823ec6965SJ. Bruce Fields #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ 6799b7b9fccSAndy Adamson encode_sequence_maxsz + \ 68023ec6965SJ. Bruce Fields encode_putfh_maxsz + \ 6819104a55dSTrond Myklebust encode_setacl_maxsz) 68223ec6965SJ. Bruce Fields #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ 6839b7b9fccSAndy Adamson decode_sequence_maxsz + \ 68423ec6965SJ. Bruce Fields decode_putfh_maxsz + \ 6859104a55dSTrond Myklebust decode_setacl_maxsz) 686683b57b4STrond Myklebust #define NFS4_enc_fs_locations_sz \ 687683b57b4STrond Myklebust (compound_encode_hdr_maxsz + \ 6889b7b9fccSAndy Adamson encode_sequence_maxsz + \ 689683b57b4STrond Myklebust encode_putfh_maxsz + \ 690e6889620STrond Myklebust encode_lookup_maxsz + \ 691e6889620STrond Myklebust encode_fs_locations_maxsz) 692683b57b4STrond Myklebust #define NFS4_dec_fs_locations_sz \ 693683b57b4STrond Myklebust (compound_decode_hdr_maxsz + \ 6949b7b9fccSAndy Adamson decode_sequence_maxsz + \ 695683b57b4STrond Myklebust decode_putfh_maxsz + \ 696e6889620STrond Myklebust decode_lookup_maxsz + \ 697e6889620STrond Myklebust decode_fs_locations_maxsz) 6985a5ea0d4SBryan Schumaker #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ 6995a5ea0d4SBryan Schumaker encode_sequence_maxsz + \ 7005a5ea0d4SBryan Schumaker encode_putfh_maxsz + \ 7015a5ea0d4SBryan Schumaker encode_secinfo_maxsz) 7025a5ea0d4SBryan Schumaker #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ 7035a5ea0d4SBryan Schumaker decode_sequence_maxsz + \ 7045a5ea0d4SBryan Schumaker decode_putfh_maxsz + \ 7055a5ea0d4SBryan Schumaker decode_secinfo_maxsz) 70699fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 70799fe60d0SBenny Halevy #define NFS4_enc_exchange_id_sz \ 70899fe60d0SBenny Halevy (compound_encode_hdr_maxsz + \ 70999fe60d0SBenny Halevy encode_exchange_id_maxsz) 71099fe60d0SBenny Halevy #define NFS4_dec_exchange_id_sz \ 71199fe60d0SBenny Halevy (compound_decode_hdr_maxsz + \ 71299fe60d0SBenny Halevy decode_exchange_id_maxsz) 713fc931582SAndy Adamson #define NFS4_enc_create_session_sz \ 714fc931582SAndy Adamson (compound_encode_hdr_maxsz + \ 715fc931582SAndy Adamson encode_create_session_maxsz) 716fc931582SAndy Adamson #define NFS4_dec_create_session_sz \ 717fc931582SAndy Adamson (compound_decode_hdr_maxsz + \ 718fc931582SAndy Adamson decode_create_session_maxsz) 7190f3e66c6SAndy Adamson #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ 7200f3e66c6SAndy Adamson encode_destroy_session_maxsz) 7210f3e66c6SAndy Adamson #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ 7220f3e66c6SAndy Adamson decode_destroy_session_maxsz) 723fc01cea9SAndy Adamson #define NFS4_enc_sequence_sz \ 724fc01cea9SAndy Adamson (compound_decode_hdr_maxsz + \ 725fc01cea9SAndy Adamson encode_sequence_maxsz) 726fc01cea9SAndy Adamson #define NFS4_dec_sequence_sz \ 727fc01cea9SAndy Adamson (compound_decode_hdr_maxsz + \ 728fc01cea9SAndy Adamson decode_sequence_maxsz) 7292050f0ccSAndy Adamson #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ 7302050f0ccSAndy Adamson encode_sequence_maxsz + \ 7312050f0ccSAndy Adamson encode_putrootfh_maxsz + \ 7322050f0ccSAndy Adamson encode_fsinfo_maxsz) 7332050f0ccSAndy Adamson #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ 7342050f0ccSAndy Adamson decode_sequence_maxsz + \ 7352050f0ccSAndy Adamson decode_putrootfh_maxsz + \ 7362050f0ccSAndy Adamson decode_fsinfo_maxsz) 73718019753SRicardo Labiaga #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ 73818019753SRicardo Labiaga encode_sequence_maxsz + \ 73918019753SRicardo Labiaga encode_reclaim_complete_maxsz) 74018019753SRicardo Labiaga #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ 74118019753SRicardo Labiaga decode_sequence_maxsz + \ 74218019753SRicardo Labiaga decode_reclaim_complete_maxsz) 743b1f69b75SAndy Adamson #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ 744b1f69b75SAndy Adamson encode_sequence_maxsz +\ 745b1f69b75SAndy Adamson encode_getdeviceinfo_maxsz) 746b1f69b75SAndy Adamson #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ 747b1f69b75SAndy Adamson decode_sequence_maxsz + \ 748b1f69b75SAndy Adamson decode_getdeviceinfo_maxsz) 749b1f69b75SAndy Adamson #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ 750b1f69b75SAndy Adamson encode_sequence_maxsz + \ 751b1f69b75SAndy Adamson encode_putfh_maxsz + \ 752b1f69b75SAndy Adamson encode_layoutget_maxsz) 753b1f69b75SAndy Adamson #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ 754b1f69b75SAndy Adamson decode_sequence_maxsz + \ 755b1f69b75SAndy Adamson decode_putfh_maxsz + \ 756b1f69b75SAndy Adamson decode_layoutget_maxsz) 757863a3c6cSAndy Adamson #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ 758863a3c6cSAndy Adamson encode_sequence_maxsz +\ 759863a3c6cSAndy Adamson encode_putfh_maxsz + \ 760863a3c6cSAndy Adamson encode_layoutcommit_maxsz + \ 761863a3c6cSAndy Adamson encode_getattr_maxsz) 762863a3c6cSAndy Adamson #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ 763863a3c6cSAndy Adamson decode_sequence_maxsz + \ 764863a3c6cSAndy Adamson decode_putfh_maxsz + \ 765863a3c6cSAndy Adamson decode_layoutcommit_maxsz + \ 766863a3c6cSAndy Adamson decode_getattr_maxsz) 767cbe82603SBenny Halevy #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ 768cbe82603SBenny Halevy encode_sequence_maxsz + \ 769cbe82603SBenny Halevy encode_putfh_maxsz + \ 770cbe82603SBenny Halevy encode_layoutreturn_maxsz) 771cbe82603SBenny Halevy #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ 772cbe82603SBenny Halevy decode_sequence_maxsz + \ 773cbe82603SBenny Halevy decode_putfh_maxsz + \ 774cbe82603SBenny Halevy decode_layoutreturn_maxsz) 7752449ea2eSAlexandros Batsakis 7762449ea2eSAlexandros Batsakis const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + 7772449ea2eSAlexandros Batsakis compound_encode_hdr_maxsz + 7782449ea2eSAlexandros Batsakis encode_sequence_maxsz + 7792449ea2eSAlexandros Batsakis encode_putfh_maxsz + 7802449ea2eSAlexandros Batsakis encode_getattr_maxsz) * 7812449ea2eSAlexandros Batsakis XDR_UNIT); 7822449ea2eSAlexandros Batsakis 7832449ea2eSAlexandros Batsakis const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + 7842449ea2eSAlexandros Batsakis compound_decode_hdr_maxsz + 7852449ea2eSAlexandros Batsakis decode_sequence_maxsz + 7862449ea2eSAlexandros Batsakis decode_putfh_maxsz) * 7872449ea2eSAlexandros Batsakis XDR_UNIT); 78899fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 7891da177e4SLinus Torvalds 790bca79478STrond Myklebust static const umode_t nfs_type2fmt[] = { 791bca79478STrond Myklebust [NF4BAD] = 0, 792bca79478STrond Myklebust [NF4REG] = S_IFREG, 793bca79478STrond Myklebust [NF4DIR] = S_IFDIR, 794bca79478STrond Myklebust [NF4BLK] = S_IFBLK, 795bca79478STrond Myklebust [NF4CHR] = S_IFCHR, 796bca79478STrond Myklebust [NF4LNK] = S_IFLNK, 797bca79478STrond Myklebust [NF4SOCK] = S_IFSOCK, 798bca79478STrond Myklebust [NF4FIFO] = S_IFIFO, 799bca79478STrond Myklebust [NF4ATTRDIR] = 0, 800bca79478STrond Myklebust [NF4NAMEDATTR] = 0, 8011da177e4SLinus Torvalds }; 8021da177e4SLinus Torvalds 8031da177e4SLinus Torvalds struct compound_hdr { 8041da177e4SLinus Torvalds int32_t status; 8051da177e4SLinus Torvalds uint32_t nops; 806d017931cSAndy Adamson __be32 * nops_p; 8071da177e4SLinus Torvalds uint32_t taglen; 8081da177e4SLinus Torvalds char * tag; 8090c4e8c18SBenny Halevy uint32_t replen; /* expected reply words */ 81066cc0429SBenny Halevy u32 minorversion; 8111da177e4SLinus Torvalds }; 8121da177e4SLinus Torvalds 81313c65ce9SBenny Halevy static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) 81413c65ce9SBenny Halevy { 81513c65ce9SBenny Halevy __be32 *p = xdr_reserve_space(xdr, nbytes); 81613c65ce9SBenny Halevy BUG_ON(!p); 81713c65ce9SBenny Halevy return p; 81813c65ce9SBenny Halevy } 8191da177e4SLinus Torvalds 8201da177e4SLinus Torvalds static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) 8211da177e4SLinus Torvalds { 8228687b63aSAl Viro __be32 *p; 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds p = xdr_reserve_space(xdr, 4 + len); 8251da177e4SLinus Torvalds BUG_ON(p == NULL); 8261da177e4SLinus Torvalds xdr_encode_opaque(p, str, len); 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds 8290c4e8c18SBenny Halevy static void encode_compound_hdr(struct xdr_stream *xdr, 8300c4e8c18SBenny Halevy struct rpc_rqst *req, 8310c4e8c18SBenny Halevy struct compound_hdr *hdr) 8321da177e4SLinus Torvalds { 8338687b63aSAl Viro __be32 *p; 834a17c2153STrond Myklebust struct rpc_auth *auth = req->rq_cred->cr_auth; 8350c4e8c18SBenny Halevy 8360c4e8c18SBenny Halevy /* initialize running count of expected bytes in reply. 8370c4e8c18SBenny Halevy * NOTE: the replied tag SHOULD be the same is the one sent, 8380c4e8c18SBenny Halevy * but this is not required as a MUST for the server to do so. */ 8390c4e8c18SBenny Halevy hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; 8401da177e4SLinus Torvalds 8411da177e4SLinus Torvalds dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); 8421da177e4SLinus Torvalds BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); 843811652bdSBenny Halevy p = reserve_space(xdr, 4 + hdr->taglen + 8); 844811652bdSBenny Halevy p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); 845e75bc1c8SBenny Halevy *p++ = cpu_to_be32(hdr->minorversion); 846d017931cSAndy Adamson hdr->nops_p = p; 84734558513SBenny Halevy *p = cpu_to_be32(hdr->nops); 848d017931cSAndy Adamson } 849d017931cSAndy Adamson 850d017931cSAndy Adamson static void encode_nops(struct compound_hdr *hdr) 851d017931cSAndy Adamson { 852fc931582SAndy Adamson BUG_ON(hdr->nops > NFS4_MAX_OPS); 853d017931cSAndy Adamson *hdr->nops_p = htonl(hdr->nops); 8541da177e4SLinus Torvalds } 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) 8571da177e4SLinus Torvalds { 8588687b63aSAl Viro __be32 *p; 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvalds p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); 8611da177e4SLinus Torvalds BUG_ON(p == NULL); 8621da177e4SLinus Torvalds xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds 865cf8cdbe5SAndy Adamson static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) 8661da177e4SLinus Torvalds { 8671da177e4SLinus Torvalds char owner_name[IDMAP_NAMESZ]; 8681da177e4SLinus Torvalds char owner_group[IDMAP_NAMESZ]; 8691da177e4SLinus Torvalds int owner_namelen = 0; 8701da177e4SLinus Torvalds int owner_grouplen = 0; 8718687b63aSAl Viro __be32 *p; 8728687b63aSAl Viro __be32 *q; 8731da177e4SLinus Torvalds int len; 8741da177e4SLinus Torvalds uint32_t bmval0 = 0; 8751da177e4SLinus Torvalds uint32_t bmval1 = 0; 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds /* 8781da177e4SLinus Torvalds * We reserve enough space to write the entire attribute buffer at once. 8791da177e4SLinus Torvalds * In the worst-case, this would be 8801da177e4SLinus Torvalds * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) 8811da177e4SLinus Torvalds * = 36 bytes, plus any contribution from variable-length fields 88223ec6965SJ. Bruce Fields * such as owner/group. 8831da177e4SLinus Torvalds */ 8841da177e4SLinus Torvalds len = 16; 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvalds /* Sigh */ 8871da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) 8881da177e4SLinus Torvalds len += 8; 8891da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) 8901da177e4SLinus Torvalds len += 4; 8911da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 892e4fd72a1STrond Myklebust owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); 8931da177e4SLinus Torvalds if (owner_namelen < 0) { 894fe82a183SChuck Lever dprintk("nfs: couldn't resolve uid %d to string\n", 8951da177e4SLinus Torvalds iap->ia_uid); 8961da177e4SLinus Torvalds /* XXX */ 8971da177e4SLinus Torvalds strcpy(owner_name, "nobody"); 8981da177e4SLinus Torvalds owner_namelen = sizeof("nobody") - 1; 8991da177e4SLinus Torvalds /* goto out; */ 9001da177e4SLinus Torvalds } 9011da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_namelen) << 2); 9021da177e4SLinus Torvalds } 9031da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 904e4fd72a1STrond Myklebust owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); 9051da177e4SLinus Torvalds if (owner_grouplen < 0) { 906fe82a183SChuck Lever dprintk("nfs: couldn't resolve gid %d to string\n", 9071da177e4SLinus Torvalds iap->ia_gid); 9081da177e4SLinus Torvalds strcpy(owner_group, "nobody"); 9091da177e4SLinus Torvalds owner_grouplen = sizeof("nobody") - 1; 9101da177e4SLinus Torvalds /* goto out; */ 9111da177e4SLinus Torvalds } 9121da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); 9131da177e4SLinus Torvalds } 9141da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) 9151da177e4SLinus Torvalds len += 16; 9161da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) 9171da177e4SLinus Torvalds len += 4; 9181da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) 9191da177e4SLinus Torvalds len += 16; 9201da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) 9211da177e4SLinus Torvalds len += 4; 92213c65ce9SBenny Halevy p = reserve_space(xdr, len); 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvalds /* 9251da177e4SLinus Torvalds * We write the bitmap length now, but leave the bitmap and the attribute 9261da177e4SLinus Torvalds * buffer length to be backfilled at the end of this routine. 9271da177e4SLinus Torvalds */ 928e75bc1c8SBenny Halevy *p++ = cpu_to_be32(2); 9291da177e4SLinus Torvalds q = p; 9301da177e4SLinus Torvalds p += 3; 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) { 9331da177e4SLinus Torvalds bmval0 |= FATTR4_WORD0_SIZE; 934b95be5a9SBenny Halevy p = xdr_encode_hyper(p, iap->ia_size); 9351da177e4SLinus Torvalds } 9361da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) { 9371da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_MODE; 938e75bc1c8SBenny Halevy *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); 9391da177e4SLinus Torvalds } 9401da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 9411da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER; 942811652bdSBenny Halevy p = xdr_encode_opaque(p, owner_name, owner_namelen); 9431da177e4SLinus Torvalds } 9441da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 9451da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER_GROUP; 946811652bdSBenny Halevy p = xdr_encode_opaque(p, owner_group, owner_grouplen); 9471da177e4SLinus Torvalds } 9481da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) { 9491da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 950e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); 951e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); 952d3f6baaaSTrond Myklebust *p++ = cpu_to_be32(iap->ia_atime.tv_sec); 953d3f6baaaSTrond Myklebust *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); 9541da177e4SLinus Torvalds } 9551da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) { 9561da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 957e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); 9581da177e4SLinus Torvalds } 9591da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) { 9601da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 961e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); 962e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); 963e75bc1c8SBenny Halevy *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); 964e75bc1c8SBenny Halevy *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); 9651da177e4SLinus Torvalds } 9661da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) { 9671da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 968e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); 9691da177e4SLinus Torvalds } 9701da177e4SLinus Torvalds 9711da177e4SLinus Torvalds /* 9721da177e4SLinus Torvalds * Now we backfill the bitmap and the attribute buffer length. 9731da177e4SLinus Torvalds */ 9741da177e4SLinus Torvalds if (len != ((char *)p - (char *)q) + 4) { 975fe82a183SChuck Lever printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", 9761da177e4SLinus Torvalds len, ((char *)p - (char *)q) + 4); 9771da177e4SLinus Torvalds BUG(); 9781da177e4SLinus Torvalds } 9791da177e4SLinus Torvalds len = (char *)p - (char *)q - 12; 9801da177e4SLinus Torvalds *q++ = htonl(bmval0); 9811da177e4SLinus Torvalds *q++ = htonl(bmval1); 98234558513SBenny Halevy *q = htonl(len); 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvalds /* out: */ 9851da177e4SLinus Torvalds } 9861da177e4SLinus Torvalds 987cf8cdbe5SAndy Adamson static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) 9881da177e4SLinus Torvalds { 9898687b63aSAl Viro __be32 *p; 9901da177e4SLinus Torvalds 99113c65ce9SBenny Halevy p = reserve_space(xdr, 8); 992e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_ACCESS); 99334558513SBenny Halevy *p = cpu_to_be32(access); 994d017931cSAndy Adamson hdr->nops++; 995dadf0c27SBenny Halevy hdr->replen += decode_access_maxsz; 9961da177e4SLinus Torvalds } 9971da177e4SLinus Torvalds 998cf8cdbe5SAndy Adamson static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) 9991da177e4SLinus Torvalds { 10008687b63aSAl Viro __be32 *p; 10011da177e4SLinus Torvalds 100213c65ce9SBenny Halevy p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); 1003e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_CLOSE); 1004e75bc1c8SBenny Halevy *p++ = cpu_to_be32(arg->seqid->sequence->counter); 100534558513SBenny Halevy xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); 1006d017931cSAndy Adamson hdr->nops++; 1007dadf0c27SBenny Halevy hdr->replen += decode_close_maxsz; 10081da177e4SLinus Torvalds } 10091da177e4SLinus Torvalds 1010cf8cdbe5SAndy Adamson static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) 10111da177e4SLinus Torvalds { 10128687b63aSAl Viro __be32 *p; 10131da177e4SLinus Torvalds 101413c65ce9SBenny Halevy p = reserve_space(xdr, 16); 1015e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_COMMIT); 1016b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->offset); 101734558513SBenny Halevy *p = cpu_to_be32(args->count); 1018d017931cSAndy Adamson hdr->nops++; 1019dadf0c27SBenny Halevy hdr->replen += decode_commit_maxsz; 10201da177e4SLinus Torvalds } 10211da177e4SLinus Torvalds 1022cf8cdbe5SAndy Adamson static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) 10231da177e4SLinus Torvalds { 10248687b63aSAl Viro __be32 *p; 10251da177e4SLinus Torvalds 102613c65ce9SBenny Halevy p = reserve_space(xdr, 8); 1027e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_CREATE); 102834558513SBenny Halevy *p = cpu_to_be32(create->ftype); 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvalds switch (create->ftype) { 10311da177e4SLinus Torvalds case NF4LNK: 103213c65ce9SBenny Halevy p = reserve_space(xdr, 4); 103334558513SBenny Halevy *p = cpu_to_be32(create->u.symlink.len); 103494a6d753SChuck Lever xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); 10351da177e4SLinus Torvalds break; 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvalds case NF4BLK: case NF4CHR: 103813c65ce9SBenny Halevy p = reserve_space(xdr, 8); 1039e75bc1c8SBenny Halevy *p++ = cpu_to_be32(create->u.device.specdata1); 104034558513SBenny Halevy *p = cpu_to_be32(create->u.device.specdata2); 10411da177e4SLinus Torvalds break; 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvalds default: 10441da177e4SLinus Torvalds break; 10451da177e4SLinus Torvalds } 10461da177e4SLinus Torvalds 1047811652bdSBenny Halevy encode_string(xdr, create->name->len, create->name->name); 1048d017931cSAndy Adamson hdr->nops++; 1049dadf0c27SBenny Halevy hdr->replen += decode_create_maxsz; 10501da177e4SLinus Torvalds 1051cf8cdbe5SAndy Adamson encode_attrs(xdr, create->attrs, create->server); 10521da177e4SLinus Torvalds } 10531da177e4SLinus Torvalds 1054cf8cdbe5SAndy Adamson static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) 10551da177e4SLinus Torvalds { 10568687b63aSAl Viro __be32 *p; 10571da177e4SLinus Torvalds 105813c65ce9SBenny Halevy p = reserve_space(xdr, 12); 1059e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_GETATTR); 1060e75bc1c8SBenny Halevy *p++ = cpu_to_be32(1); 106134558513SBenny Halevy *p = cpu_to_be32(bitmap); 1062d017931cSAndy Adamson hdr->nops++; 1063dadf0c27SBenny Halevy hdr->replen += decode_getattr_maxsz; 10641da177e4SLinus Torvalds } 10651da177e4SLinus Torvalds 1066cf8cdbe5SAndy Adamson static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) 10671da177e4SLinus Torvalds { 10688687b63aSAl Viro __be32 *p; 10691da177e4SLinus Torvalds 107013c65ce9SBenny Halevy p = reserve_space(xdr, 16); 1071e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_GETATTR); 1072e75bc1c8SBenny Halevy *p++ = cpu_to_be32(2); 1073e75bc1c8SBenny Halevy *p++ = cpu_to_be32(bm0); 107434558513SBenny Halevy *p = cpu_to_be32(bm1); 1075d017931cSAndy Adamson hdr->nops++; 1076dadf0c27SBenny Halevy hdr->replen += decode_getattr_maxsz; 10771da177e4SLinus Torvalds } 10781da177e4SLinus Torvalds 1079cf8cdbe5SAndy Adamson static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 10801da177e4SLinus Torvalds { 1081cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], 1082d017931cSAndy Adamson bitmask[1] & nfs4_fattr_bitmap[1], hdr); 10831da177e4SLinus Torvalds } 10841da177e4SLinus Torvalds 1085cf8cdbe5SAndy Adamson static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 10861da177e4SLinus Torvalds { 1087cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], 1088d017931cSAndy Adamson bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); 10891da177e4SLinus Torvalds } 10901da177e4SLinus Torvalds 1091cf8cdbe5SAndy Adamson static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 1092830b8e33SManoj Naik { 1093cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], 1094cf8cdbe5SAndy Adamson bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); 1095830b8e33SManoj Naik } 1096830b8e33SManoj Naik 1097cf8cdbe5SAndy Adamson static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) 10981da177e4SLinus Torvalds { 10998687b63aSAl Viro __be32 *p; 11001da177e4SLinus Torvalds 110113c65ce9SBenny Halevy p = reserve_space(xdr, 4); 110234558513SBenny Halevy *p = cpu_to_be32(OP_GETFH); 1103d017931cSAndy Adamson hdr->nops++; 1104dadf0c27SBenny Halevy hdr->replen += decode_getfh_maxsz; 11051da177e4SLinus Torvalds } 11061da177e4SLinus Torvalds 1107cf8cdbe5SAndy Adamson static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 11081da177e4SLinus Torvalds { 11098687b63aSAl Viro __be32 *p; 11101da177e4SLinus Torvalds 111113c65ce9SBenny Halevy p = reserve_space(xdr, 8 + name->len); 1112e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_LINK); 1113811652bdSBenny Halevy xdr_encode_opaque(p, name->name, name->len); 1114d017931cSAndy Adamson hdr->nops++; 1115dadf0c27SBenny Halevy hdr->replen += decode_link_maxsz; 11161da177e4SLinus Torvalds } 11171da177e4SLinus Torvalds 1118911d1aafSTrond Myklebust static inline int nfs4_lock_type(struct file_lock *fl, int block) 1119911d1aafSTrond Myklebust { 1120911d1aafSTrond Myklebust if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) 1121911d1aafSTrond Myklebust return block ? NFS4_READW_LT : NFS4_READ_LT; 1122911d1aafSTrond Myklebust return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; 1123911d1aafSTrond Myklebust } 1124911d1aafSTrond Myklebust 1125911d1aafSTrond Myklebust static inline uint64_t nfs4_lock_length(struct file_lock *fl) 1126911d1aafSTrond Myklebust { 1127911d1aafSTrond Myklebust if (fl->fl_end == OFFSET_MAX) 1128911d1aafSTrond Myklebust return ~(uint64_t)0; 1129911d1aafSTrond Myklebust return fl->fl_end - fl->fl_start + 1; 1130911d1aafSTrond Myklebust } 1131911d1aafSTrond Myklebust 1132daccbdedSTrond Myklebust static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) 1133daccbdedSTrond Myklebust { 1134daccbdedSTrond Myklebust __be32 *p; 1135daccbdedSTrond Myklebust 1136d035c36cSTrond Myklebust p = reserve_space(xdr, 32); 1137daccbdedSTrond Myklebust p = xdr_encode_hyper(p, lowner->clientid); 1138d035c36cSTrond Myklebust *p++ = cpu_to_be32(20); 1139daccbdedSTrond Myklebust p = xdr_encode_opaque_fixed(p, "lock id:", 8); 1140d035c36cSTrond Myklebust *p++ = cpu_to_be32(lowner->s_dev); 1141daccbdedSTrond Myklebust xdr_encode_hyper(p, lowner->id); 1142daccbdedSTrond Myklebust } 1143daccbdedSTrond Myklebust 11441da177e4SLinus Torvalds /* 11451da177e4SLinus Torvalds * opcode,type,reclaim,offset,length,new_lock_owner = 32 11461da177e4SLinus Torvalds * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 11471da177e4SLinus Torvalds */ 1148cf8cdbe5SAndy Adamson static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) 11491da177e4SLinus Torvalds { 11508687b63aSAl Viro __be32 *p; 11511da177e4SLinus Torvalds 115213c65ce9SBenny Halevy p = reserve_space(xdr, 32); 1153e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_LOCK); 1154e75bc1c8SBenny Halevy *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); 1155e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->reclaim); 1156b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->fl->fl_start); 1157b95be5a9SBenny Halevy p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); 115834558513SBenny Halevy *p = cpu_to_be32(args->new_lock_owner); 1159911d1aafSTrond Myklebust if (args->new_lock_owner){ 1160daccbdedSTrond Myklebust p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); 1161e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->open_seqid->sequence->counter); 116293f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); 1163e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); 1164daccbdedSTrond Myklebust encode_lockowner(xdr, &args->lock_owner); 11651da177e4SLinus Torvalds } 11661da177e4SLinus Torvalds else { 116713c65ce9SBenny Halevy p = reserve_space(xdr, NFS4_STATEID_SIZE+4); 116893f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); 116934558513SBenny Halevy *p = cpu_to_be32(args->lock_seqid->sequence->counter); 11701da177e4SLinus Torvalds } 1171d017931cSAndy Adamson hdr->nops++; 1172dadf0c27SBenny Halevy hdr->replen += decode_lock_maxsz; 11731da177e4SLinus Torvalds } 11741da177e4SLinus Torvalds 1175cf8cdbe5SAndy Adamson static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) 11761da177e4SLinus Torvalds { 11778687b63aSAl Viro __be32 *p; 11781da177e4SLinus Torvalds 1179daccbdedSTrond Myklebust p = reserve_space(xdr, 24); 1180e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_LOCKT); 1181e75bc1c8SBenny Halevy *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); 1182b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->fl->fl_start); 1183b95be5a9SBenny Halevy p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); 1184daccbdedSTrond Myklebust encode_lockowner(xdr, &args->lock_owner); 1185d017931cSAndy Adamson hdr->nops++; 1186dadf0c27SBenny Halevy hdr->replen += decode_lockt_maxsz; 11871da177e4SLinus Torvalds } 11881da177e4SLinus Torvalds 1189cf8cdbe5SAndy Adamson static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) 11901da177e4SLinus Torvalds { 11918687b63aSAl Viro __be32 *p; 11921da177e4SLinus Torvalds 119313c65ce9SBenny Halevy p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); 1194e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_LOCKU); 1195e75bc1c8SBenny Halevy *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); 1196e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->seqid->sequence->counter); 119793f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); 1198b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->fl->fl_start); 119934558513SBenny Halevy xdr_encode_hyper(p, nfs4_lock_length(args->fl)); 1200d017931cSAndy Adamson hdr->nops++; 1201dadf0c27SBenny Halevy hdr->replen += decode_locku_maxsz; 12021da177e4SLinus Torvalds } 12031da177e4SLinus Torvalds 1204d3c7b7ccSTrond Myklebust static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) 1205d3c7b7ccSTrond Myklebust { 1206d3c7b7ccSTrond Myklebust __be32 *p; 1207d3c7b7ccSTrond Myklebust 1208d3c7b7ccSTrond Myklebust p = reserve_space(xdr, 4); 1209d3c7b7ccSTrond Myklebust *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); 1210d3c7b7ccSTrond Myklebust encode_lockowner(xdr, lowner); 1211d3c7b7ccSTrond Myklebust hdr->nops++; 1212d3c7b7ccSTrond Myklebust hdr->replen += decode_release_lockowner_maxsz; 1213d3c7b7ccSTrond Myklebust } 1214d3c7b7ccSTrond Myklebust 1215cf8cdbe5SAndy Adamson static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 12161da177e4SLinus Torvalds { 12171da177e4SLinus Torvalds int len = name->len; 12188687b63aSAl Viro __be32 *p; 12191da177e4SLinus Torvalds 122013c65ce9SBenny Halevy p = reserve_space(xdr, 8 + len); 1221e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_LOOKUP); 1222811652bdSBenny Halevy xdr_encode_opaque(p, name->name, len); 1223d017931cSAndy Adamson hdr->nops++; 1224dadf0c27SBenny Halevy hdr->replen += decode_lookup_maxsz; 12251da177e4SLinus Torvalds } 12261da177e4SLinus Torvalds 1227dc0b027dSTrond Myklebust static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) 12281da177e4SLinus Torvalds { 12298687b63aSAl Viro __be32 *p; 12301da177e4SLinus Torvalds 123113c65ce9SBenny Halevy p = reserve_space(xdr, 8); 1232dc0b027dSTrond Myklebust switch (fmode & (FMODE_READ|FMODE_WRITE)) { 12331da177e4SLinus Torvalds case FMODE_READ: 1234e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); 12351da177e4SLinus Torvalds break; 12361da177e4SLinus Torvalds case FMODE_WRITE: 1237e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); 12381da177e4SLinus Torvalds break; 12391da177e4SLinus Torvalds case FMODE_READ|FMODE_WRITE: 1240e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); 12411da177e4SLinus Torvalds break; 12421da177e4SLinus Torvalds default: 1243e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); 12441da177e4SLinus Torvalds } 124534558513SBenny Halevy *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ 12461da177e4SLinus Torvalds } 12471da177e4SLinus Torvalds 12481da177e4SLinus Torvalds static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) 12491da177e4SLinus Torvalds { 12508687b63aSAl Viro __be32 *p; 12511da177e4SLinus Torvalds /* 12521da177e4SLinus Torvalds * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, 12531da177e4SLinus Torvalds * owner 4 = 32 12541da177e4SLinus Torvalds */ 125513c65ce9SBenny Halevy p = reserve_space(xdr, 8); 1256e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_OPEN); 125734558513SBenny Halevy *p = cpu_to_be32(arg->seqid->sequence->counter); 1258dc0b027dSTrond Myklebust encode_share_access(xdr, arg->fmode); 1259d035c36cSTrond Myklebust p = reserve_space(xdr, 32); 1260b95be5a9SBenny Halevy p = xdr_encode_hyper(p, arg->clientid); 1261d035c36cSTrond Myklebust *p++ = cpu_to_be32(20); 126293f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, "open id:", 8); 1263d035c36cSTrond Myklebust *p++ = cpu_to_be32(arg->server->s_dev); 126434558513SBenny Halevy xdr_encode_hyper(p, arg->id); 12651da177e4SLinus Torvalds } 12661da177e4SLinus Torvalds 12671da177e4SLinus Torvalds static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) 12681da177e4SLinus Torvalds { 12698687b63aSAl Viro __be32 *p; 12704882ef72SAlexandros Batsakis struct nfs_client *clp; 12711da177e4SLinus Torvalds 127213c65ce9SBenny Halevy p = reserve_space(xdr, 4); 12731da177e4SLinus Torvalds switch(arg->open_flags & O_EXCL) { 12741da177e4SLinus Torvalds case 0: 127534558513SBenny Halevy *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); 12761da177e4SLinus Torvalds encode_attrs(xdr, arg->u.attrs, arg->server); 12771da177e4SLinus Torvalds break; 12781da177e4SLinus Torvalds default: 12794882ef72SAlexandros Batsakis clp = arg->server->nfs_client; 1280a4432345STrond Myklebust if (clp->cl_mvops->minor_version > 0) { 12814882ef72SAlexandros Batsakis if (nfs4_has_persistent_session(clp)) { 12824882ef72SAlexandros Batsakis *p = cpu_to_be32(NFS4_CREATE_GUARDED); 12834882ef72SAlexandros Batsakis encode_attrs(xdr, arg->u.attrs, arg->server); 12844882ef72SAlexandros Batsakis } else { 12854882ef72SAlexandros Batsakis struct iattr dummy; 12864882ef72SAlexandros Batsakis 12874882ef72SAlexandros Batsakis *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); 12884882ef72SAlexandros Batsakis encode_nfs4_verifier(xdr, &arg->u.verifier); 12894882ef72SAlexandros Batsakis dummy.ia_valid = 0; 12904882ef72SAlexandros Batsakis encode_attrs(xdr, &dummy, arg->server); 12914882ef72SAlexandros Batsakis } 12924882ef72SAlexandros Batsakis } else { 129334558513SBenny Halevy *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); 12941da177e4SLinus Torvalds encode_nfs4_verifier(xdr, &arg->u.verifier); 12951da177e4SLinus Torvalds } 12961da177e4SLinus Torvalds } 12974882ef72SAlexandros Batsakis } 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvalds static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) 13001da177e4SLinus Torvalds { 13018687b63aSAl Viro __be32 *p; 13021da177e4SLinus Torvalds 130313c65ce9SBenny Halevy p = reserve_space(xdr, 4); 13041da177e4SLinus Torvalds switch (arg->open_flags & O_CREAT) { 13051da177e4SLinus Torvalds case 0: 130634558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_NOCREATE); 13071da177e4SLinus Torvalds break; 13081da177e4SLinus Torvalds default: 13091da177e4SLinus Torvalds BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); 131034558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_CREATE); 13111da177e4SLinus Torvalds encode_createmode(xdr, arg); 13121da177e4SLinus Torvalds } 13131da177e4SLinus Torvalds } 13141da177e4SLinus Torvalds 1315bd7bf9d5STrond Myklebust static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) 13161da177e4SLinus Torvalds { 13178687b63aSAl Viro __be32 *p; 13181da177e4SLinus Torvalds 131913c65ce9SBenny Halevy p = reserve_space(xdr, 4); 13201da177e4SLinus Torvalds switch (delegation_type) { 13211da177e4SLinus Torvalds case 0: 132234558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); 13231da177e4SLinus Torvalds break; 13241da177e4SLinus Torvalds case FMODE_READ: 132534558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); 13261da177e4SLinus Torvalds break; 13271da177e4SLinus Torvalds case FMODE_WRITE|FMODE_READ: 132834558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); 13291da177e4SLinus Torvalds break; 13301da177e4SLinus Torvalds default: 13311da177e4SLinus Torvalds BUG(); 13321da177e4SLinus Torvalds } 13331da177e4SLinus Torvalds } 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvalds static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) 13361da177e4SLinus Torvalds { 13378687b63aSAl Viro __be32 *p; 13381da177e4SLinus Torvalds 133913c65ce9SBenny Halevy p = reserve_space(xdr, 4); 134034558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); 13411da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 13421da177e4SLinus Torvalds } 13431da177e4SLinus Torvalds 1344bd7bf9d5STrond Myklebust static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) 13451da177e4SLinus Torvalds { 13468687b63aSAl Viro __be32 *p; 13471da177e4SLinus Torvalds 134813c65ce9SBenny Halevy p = reserve_space(xdr, 4); 134934558513SBenny Halevy *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); 13501da177e4SLinus Torvalds encode_delegation_type(xdr, type); 13511da177e4SLinus Torvalds } 13521da177e4SLinus Torvalds 13531da177e4SLinus Torvalds static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) 13541da177e4SLinus Torvalds { 13558687b63aSAl Viro __be32 *p; 13561da177e4SLinus Torvalds 135713c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); 1358e75bc1c8SBenny Halevy *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); 135934558513SBenny Halevy xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); 13601da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 13611da177e4SLinus Torvalds } 13621da177e4SLinus Torvalds 1363cf8cdbe5SAndy Adamson static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) 13641da177e4SLinus Torvalds { 13651da177e4SLinus Torvalds encode_openhdr(xdr, arg); 13661da177e4SLinus Torvalds encode_opentype(xdr, arg); 13671da177e4SLinus Torvalds switch (arg->claim) { 13681da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_NULL: 13691da177e4SLinus Torvalds encode_claim_null(xdr, arg->name); 13701da177e4SLinus Torvalds break; 13711da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_PREVIOUS: 13721da177e4SLinus Torvalds encode_claim_previous(xdr, arg->u.delegation_type); 13731da177e4SLinus Torvalds break; 13741da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_DELEGATE_CUR: 13751da177e4SLinus Torvalds encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); 13761da177e4SLinus Torvalds break; 13771da177e4SLinus Torvalds default: 13781da177e4SLinus Torvalds BUG(); 13791da177e4SLinus Torvalds } 1380d017931cSAndy Adamson hdr->nops++; 1381dadf0c27SBenny Halevy hdr->replen += decode_open_maxsz; 13821da177e4SLinus Torvalds } 13831da177e4SLinus Torvalds 1384cf8cdbe5SAndy Adamson static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) 13851da177e4SLinus Torvalds { 13868687b63aSAl Viro __be32 *p; 13871da177e4SLinus Torvalds 138813c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); 1389e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_OPEN_CONFIRM); 139093f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); 139134558513SBenny Halevy *p = cpu_to_be32(arg->seqid->sequence->counter); 1392d017931cSAndy Adamson hdr->nops++; 1393dadf0c27SBenny Halevy hdr->replen += decode_open_confirm_maxsz; 13941da177e4SLinus Torvalds } 13951da177e4SLinus Torvalds 1396cf8cdbe5SAndy Adamson static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) 13971da177e4SLinus Torvalds { 13988687b63aSAl Viro __be32 *p; 13991da177e4SLinus Torvalds 140013c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); 1401e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); 140293f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); 140334558513SBenny Halevy *p = cpu_to_be32(arg->seqid->sequence->counter); 1404dc0b027dSTrond Myklebust encode_share_access(xdr, arg->fmode); 1405d017931cSAndy Adamson hdr->nops++; 1406dadf0c27SBenny Halevy hdr->replen += decode_open_downgrade_maxsz; 14071da177e4SLinus Torvalds } 14081da177e4SLinus Torvalds 1409cf8cdbe5SAndy Adamson static void 1410d017931cSAndy Adamson encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) 14111da177e4SLinus Torvalds { 14121da177e4SLinus Torvalds int len = fh->size; 14138687b63aSAl Viro __be32 *p; 14141da177e4SLinus Torvalds 141513c65ce9SBenny Halevy p = reserve_space(xdr, 8 + len); 1416e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_PUTFH); 1417811652bdSBenny Halevy xdr_encode_opaque(p, fh->data, len); 1418d017931cSAndy Adamson hdr->nops++; 1419dadf0c27SBenny Halevy hdr->replen += decode_putfh_maxsz; 14201da177e4SLinus Torvalds } 14211da177e4SLinus Torvalds 1422cf8cdbe5SAndy Adamson static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) 14231da177e4SLinus Torvalds { 14248687b63aSAl Viro __be32 *p; 14251da177e4SLinus Torvalds 142613c65ce9SBenny Halevy p = reserve_space(xdr, 4); 142734558513SBenny Halevy *p = cpu_to_be32(OP_PUTROOTFH); 1428d017931cSAndy Adamson hdr->nops++; 1429dadf0c27SBenny Halevy hdr->replen += decode_putrootfh_maxsz; 14301da177e4SLinus Torvalds } 14311da177e4SLinus Torvalds 143289d1ea65SAndy Adamson static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) 14331da177e4SLinus Torvalds { 14341da177e4SLinus Torvalds nfs4_stateid stateid; 14358687b63aSAl Viro __be32 *p; 14361da177e4SLinus Torvalds 143713c65ce9SBenny Halevy p = reserve_space(xdr, NFS4_STATEID_SIZE); 14381da177e4SLinus Torvalds if (ctx->state != NULL) { 143977041ed9STrond Myklebust nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); 144089d1ea65SAndy Adamson if (zero_seqid) 144189d1ea65SAndy Adamson stateid.stateid.seqid = 0; 144234558513SBenny Halevy xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); 14431da177e4SLinus Torvalds } else 144434558513SBenny Halevy xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); 14451da177e4SLinus Torvalds } 14461da177e4SLinus Torvalds 1447cf8cdbe5SAndy Adamson static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) 14481da177e4SLinus Torvalds { 14498687b63aSAl Viro __be32 *p; 14501da177e4SLinus Torvalds 145113c65ce9SBenny Halevy p = reserve_space(xdr, 4); 145234558513SBenny Halevy *p = cpu_to_be32(OP_READ); 14531da177e4SLinus Torvalds 145489d1ea65SAndy Adamson encode_stateid(xdr, args->context, args->lock_context, 145589d1ea65SAndy Adamson hdr->minorversion); 14561da177e4SLinus Torvalds 145713c65ce9SBenny Halevy p = reserve_space(xdr, 12); 1458b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->offset); 145934558513SBenny Halevy *p = cpu_to_be32(args->count); 1460d017931cSAndy Adamson hdr->nops++; 1461dadf0c27SBenny Halevy hdr->replen += decode_read_maxsz; 14621da177e4SLinus Torvalds } 14631da177e4SLinus Torvalds 1464cf8cdbe5SAndy Adamson static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) 14651da177e4SLinus Torvalds { 146628331a46STrond Myklebust uint32_t attrs[2] = { 146728331a46STrond Myklebust FATTR4_WORD0_RDATTR_ERROR, 146828331a46STrond Myklebust FATTR4_WORD1_MOUNTED_ON_FILEID, 146928331a46STrond Myklebust }; 14706f7a35bdSTrond Myklebust uint32_t dircount = readdir->count >> 1; 14718687b63aSAl Viro __be32 *p; 14721da177e4SLinus Torvalds 147382f2e547SBryan Schumaker if (readdir->plus) { 147482f2e547SBryan Schumaker attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| 147528331a46STrond Myklebust FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; 147682f2e547SBryan Schumaker attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| 147782f2e547SBryan Schumaker FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| 147882f2e547SBryan Schumaker FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| 147982f2e547SBryan Schumaker FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; 14806f7a35bdSTrond Myklebust dircount >>= 1; 148182f2e547SBryan Schumaker } 148228331a46STrond Myklebust /* Use mounted_on_fileid only if the server supports it */ 148328331a46STrond Myklebust if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) 148428331a46STrond Myklebust attrs[0] |= FATTR4_WORD0_FILEID; 14856f7a35bdSTrond Myklebust 14866f7a35bdSTrond Myklebust p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); 14876f7a35bdSTrond Myklebust *p++ = cpu_to_be32(OP_READDIR); 14886f7a35bdSTrond Myklebust p = xdr_encode_hyper(p, readdir->cookie); 14896f7a35bdSTrond Myklebust p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); 14906f7a35bdSTrond Myklebust *p++ = cpu_to_be32(dircount); 14916f7a35bdSTrond Myklebust *p++ = cpu_to_be32(readdir->count); 14926f7a35bdSTrond Myklebust *p++ = cpu_to_be32(2); 149382f2e547SBryan Schumaker 1494e75bc1c8SBenny Halevy *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); 149534558513SBenny Halevy *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); 1496d017931cSAndy Adamson hdr->nops++; 1497dadf0c27SBenny Halevy hdr->replen += decode_readdir_maxsz; 149844109241SFred Isaman dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", 149944109241SFred Isaman __func__, 1500eadf4598STrond Myklebust (unsigned long long)readdir->cookie, 1501eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 1502eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1], 1503eadf4598STrond Myklebust attrs[0] & readdir->bitmask[0], 1504eadf4598STrond Myklebust attrs[1] & readdir->bitmask[1]); 15051da177e4SLinus Torvalds } 15061da177e4SLinus Torvalds 1507cf8cdbe5SAndy Adamson static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) 15081da177e4SLinus Torvalds { 15098687b63aSAl Viro __be32 *p; 15101da177e4SLinus Torvalds 151113c65ce9SBenny Halevy p = reserve_space(xdr, 4); 151234558513SBenny Halevy *p = cpu_to_be32(OP_READLINK); 1513d017931cSAndy Adamson hdr->nops++; 1514dadf0c27SBenny Halevy hdr->replen += decode_readlink_maxsz; 15151da177e4SLinus Torvalds } 15161da177e4SLinus Torvalds 1517cf8cdbe5SAndy Adamson static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 15181da177e4SLinus Torvalds { 15198687b63aSAl Viro __be32 *p; 15201da177e4SLinus Torvalds 152113c65ce9SBenny Halevy p = reserve_space(xdr, 8 + name->len); 1522e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_REMOVE); 1523811652bdSBenny Halevy xdr_encode_opaque(p, name->name, name->len); 1524d017931cSAndy Adamson hdr->nops++; 1525dadf0c27SBenny Halevy hdr->replen += decode_remove_maxsz; 15261da177e4SLinus Torvalds } 15271da177e4SLinus Torvalds 1528cf8cdbe5SAndy Adamson static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) 15291da177e4SLinus Torvalds { 15308687b63aSAl Viro __be32 *p; 15311da177e4SLinus Torvalds 1532811652bdSBenny Halevy p = reserve_space(xdr, 4); 1533811652bdSBenny Halevy *p = cpu_to_be32(OP_RENAME); 1534811652bdSBenny Halevy encode_string(xdr, oldname->len, oldname->name); 1535811652bdSBenny Halevy encode_string(xdr, newname->len, newname->name); 1536d017931cSAndy Adamson hdr->nops++; 1537dadf0c27SBenny Halevy hdr->replen += decode_rename_maxsz; 15381da177e4SLinus Torvalds } 15391da177e4SLinus Torvalds 1540cf8cdbe5SAndy Adamson static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) 15411da177e4SLinus Torvalds { 15428687b63aSAl Viro __be32 *p; 15431da177e4SLinus Torvalds 154413c65ce9SBenny Halevy p = reserve_space(xdr, 12); 1545e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_RENEW); 154634558513SBenny Halevy xdr_encode_hyper(p, client_stateid->cl_clientid); 1547d017931cSAndy Adamson hdr->nops++; 1548dadf0c27SBenny Halevy hdr->replen += decode_renew_maxsz; 15491da177e4SLinus Torvalds } 15501da177e4SLinus Torvalds 1551cf8cdbe5SAndy Adamson static void 1552d017931cSAndy Adamson encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) 155356ae19f3STrond Myklebust { 15548687b63aSAl Viro __be32 *p; 155556ae19f3STrond Myklebust 155613c65ce9SBenny Halevy p = reserve_space(xdr, 4); 155734558513SBenny Halevy *p = cpu_to_be32(OP_RESTOREFH); 1558d017931cSAndy Adamson hdr->nops++; 1559dadf0c27SBenny Halevy hdr->replen += decode_restorefh_maxsz; 156056ae19f3STrond Myklebust } 156156ae19f3STrond Myklebust 15629f06c719SChuck Lever static void 1563d017931cSAndy Adamson encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) 156423ec6965SJ. Bruce Fields { 15658687b63aSAl Viro __be32 *p; 156623ec6965SJ. Bruce Fields 156713c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); 1568e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_SETATTR); 156934558513SBenny Halevy xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); 157013c65ce9SBenny Halevy p = reserve_space(xdr, 2*4); 1571e75bc1c8SBenny Halevy *p++ = cpu_to_be32(1); 157234558513SBenny Halevy *p = cpu_to_be32(FATTR4_WORD0_ACL); 15739f06c719SChuck Lever BUG_ON(arg->acl_len % 4); 157413c65ce9SBenny Halevy p = reserve_space(xdr, 4); 157534558513SBenny Halevy *p = cpu_to_be32(arg->acl_len); 157623ec6965SJ. Bruce Fields xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); 1577d017931cSAndy Adamson hdr->nops++; 1578dadf0c27SBenny Halevy hdr->replen += decode_setacl_maxsz; 157923ec6965SJ. Bruce Fields } 158023ec6965SJ. Bruce Fields 1581cf8cdbe5SAndy Adamson static void 1582d017931cSAndy Adamson encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) 15831da177e4SLinus Torvalds { 15848687b63aSAl Viro __be32 *p; 15851da177e4SLinus Torvalds 158613c65ce9SBenny Halevy p = reserve_space(xdr, 4); 158734558513SBenny Halevy *p = cpu_to_be32(OP_SAVEFH); 1588d017931cSAndy Adamson hdr->nops++; 1589dadf0c27SBenny Halevy hdr->replen += decode_savefh_maxsz; 15901da177e4SLinus Torvalds } 15911da177e4SLinus Torvalds 1592cf8cdbe5SAndy Adamson static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) 15931da177e4SLinus Torvalds { 15948687b63aSAl Viro __be32 *p; 15951da177e4SLinus Torvalds 159613c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); 1597e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_SETATTR); 159834558513SBenny Halevy xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); 1599d017931cSAndy Adamson hdr->nops++; 1600dadf0c27SBenny Halevy hdr->replen += decode_setattr_maxsz; 1601cf8cdbe5SAndy Adamson encode_attrs(xdr, arg->iap, server); 16021da177e4SLinus Torvalds } 16031da177e4SLinus Torvalds 1604cf8cdbe5SAndy Adamson static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) 16051da177e4SLinus Torvalds { 16068687b63aSAl Viro __be32 *p; 16071da177e4SLinus Torvalds 160813c65ce9SBenny Halevy p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); 1609e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_SETCLIENTID); 161034558513SBenny Halevy xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); 161313c65ce9SBenny Halevy p = reserve_space(xdr, 4); 161434558513SBenny Halevy *p = cpu_to_be32(setclientid->sc_prog); 16151da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); 16161da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); 161713c65ce9SBenny Halevy p = reserve_space(xdr, 4); 161834558513SBenny Halevy *p = cpu_to_be32(setclientid->sc_cb_ident); 1619d017931cSAndy Adamson hdr->nops++; 1620dadf0c27SBenny Halevy hdr->replen += decode_setclientid_maxsz; 16211da177e4SLinus Torvalds } 16221da177e4SLinus Torvalds 1623bb8b27e5STrond Myklebust static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) 16241da177e4SLinus Torvalds { 16258687b63aSAl Viro __be32 *p; 16261da177e4SLinus Torvalds 162713c65ce9SBenny Halevy p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); 1628e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); 1629bb8b27e5STrond Myklebust p = xdr_encode_hyper(p, arg->clientid); 1630bb8b27e5STrond Myklebust xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); 1631d017931cSAndy Adamson hdr->nops++; 1632dadf0c27SBenny Halevy hdr->replen += decode_setclientid_confirm_maxsz; 16331da177e4SLinus Torvalds } 16341da177e4SLinus Torvalds 1635cf8cdbe5SAndy Adamson static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) 16361da177e4SLinus Torvalds { 16378687b63aSAl Viro __be32 *p; 16381da177e4SLinus Torvalds 163913c65ce9SBenny Halevy p = reserve_space(xdr, 4); 164034558513SBenny Halevy *p = cpu_to_be32(OP_WRITE); 16411da177e4SLinus Torvalds 164289d1ea65SAndy Adamson encode_stateid(xdr, args->context, args->lock_context, 164389d1ea65SAndy Adamson hdr->minorversion); 16441da177e4SLinus Torvalds 164513c65ce9SBenny Halevy p = reserve_space(xdr, 16); 1646b95be5a9SBenny Halevy p = xdr_encode_hyper(p, args->offset); 1647e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->stable); 164834558513SBenny Halevy *p = cpu_to_be32(args->count); 16491da177e4SLinus Torvalds 16501da177e4SLinus Torvalds xdr_write_pages(xdr, args->pages, args->pgbase, args->count); 1651d017931cSAndy Adamson hdr->nops++; 1652dadf0c27SBenny Halevy hdr->replen += decode_write_maxsz; 16531da177e4SLinus Torvalds } 16541da177e4SLinus Torvalds 1655cf8cdbe5SAndy Adamson static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) 16561da177e4SLinus Torvalds { 16578687b63aSAl Viro __be32 *p; 16581da177e4SLinus Torvalds 165913c65ce9SBenny Halevy p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); 16601da177e4SLinus Torvalds 1661e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_DELEGRETURN); 166234558513SBenny Halevy xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); 1663d017931cSAndy Adamson hdr->nops++; 1664dadf0c27SBenny Halevy hdr->replen += decode_delegreturn_maxsz; 16651da177e4SLinus Torvalds } 16669b7b9fccSAndy Adamson 16675a5ea0d4SBryan Schumaker static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 16685a5ea0d4SBryan Schumaker { 16695a5ea0d4SBryan Schumaker int len = name->len; 16705a5ea0d4SBryan Schumaker __be32 *p; 16715a5ea0d4SBryan Schumaker 16725a5ea0d4SBryan Schumaker p = reserve_space(xdr, 8 + len); 16735a5ea0d4SBryan Schumaker *p++ = cpu_to_be32(OP_SECINFO); 16745a5ea0d4SBryan Schumaker xdr_encode_opaque(p, name->name, len); 16755a5ea0d4SBryan Schumaker hdr->nops++; 16765a5ea0d4SBryan Schumaker hdr->replen += decode_secinfo_maxsz; 16775a5ea0d4SBryan Schumaker } 16785a5ea0d4SBryan Schumaker 167999fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 16809b7b9fccSAndy Adamson /* NFSv4.1 operations */ 168199fe60d0SBenny Halevy static void encode_exchange_id(struct xdr_stream *xdr, 168299fe60d0SBenny Halevy struct nfs41_exchange_id_args *args, 168399fe60d0SBenny Halevy struct compound_hdr *hdr) 168499fe60d0SBenny Halevy { 168599fe60d0SBenny Halevy __be32 *p; 168699fe60d0SBenny Halevy 168713c65ce9SBenny Halevy p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); 1688e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_EXCHANGE_ID); 168934558513SBenny Halevy xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); 169099fe60d0SBenny Halevy 169199fe60d0SBenny Halevy encode_string(xdr, args->id_len, args->id); 169299fe60d0SBenny Halevy 169313c65ce9SBenny Halevy p = reserve_space(xdr, 12); 1694e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->flags); 1695e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ 169634558513SBenny Halevy *p = cpu_to_be32(0); /* zero length implementation id array */ 169799fe60d0SBenny Halevy hdr->nops++; 169899fe60d0SBenny Halevy hdr->replen += decode_exchange_id_maxsz; 169999fe60d0SBenny Halevy } 1700fc931582SAndy Adamson 1701fc931582SAndy Adamson static void encode_create_session(struct xdr_stream *xdr, 1702fc931582SAndy Adamson struct nfs41_create_session_args *args, 1703fc931582SAndy Adamson struct compound_hdr *hdr) 1704fc931582SAndy Adamson { 1705fc931582SAndy Adamson __be32 *p; 1706fc931582SAndy Adamson char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; 1707fc931582SAndy Adamson uint32_t len; 1708fc931582SAndy Adamson struct nfs_client *clp = args->client; 17098e0d46e1SMike Sager u32 max_resp_sz_cached; 17108e0d46e1SMike Sager 17118e0d46e1SMike Sager /* 17128e0d46e1SMike Sager * Assumes OPEN is the biggest non-idempotent compound. 17138e0d46e1SMike Sager * 2 is the verifier. 17148e0d46e1SMike Sager */ 17158e0d46e1SMike Sager max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + 17168e0d46e1SMike Sager RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; 1717fc931582SAndy Adamson 1718fc931582SAndy Adamson len = scnprintf(machine_name, sizeof(machine_name), "%s", 1719fc931582SAndy Adamson clp->cl_ipaddr); 172042edd698SBenny Halevy 172113c65ce9SBenny Halevy p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); 1722e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_CREATE_SESSION); 1723114f64b5SAndy Adamson p = xdr_encode_hyper(p, clp->cl_clientid); 1724e75bc1c8SBenny Halevy *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ 1725e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->flags); /*flags */ 1726fc931582SAndy Adamson 1727fc931582SAndy Adamson /* Fore Channel */ 1728e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ 1729e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ 1730e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ 17318e0d46e1SMike Sager *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ 1732e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ 1733e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ 1734e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ 1735fc931582SAndy Adamson 1736fc931582SAndy Adamson /* Back Channel */ 1737e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ 1738e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ 1739e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ 1740e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ 1741e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ 1742e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ 1743e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ 1744fc931582SAndy Adamson 1745e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->cb_program); /* cb_program */ 1746e75bc1c8SBenny Halevy *p++ = cpu_to_be32(1); 1747e75bc1c8SBenny Halevy *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ 1748fc931582SAndy Adamson 1749fc931582SAndy Adamson /* authsys_parms rfc1831 */ 1750e75bc1c8SBenny Halevy *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ 1751811652bdSBenny Halevy p = xdr_encode_opaque(p, machine_name, len); 1752e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); /* UID */ 1753e75bc1c8SBenny Halevy *p++ = cpu_to_be32(0); /* GID */ 175434558513SBenny Halevy *p = cpu_to_be32(0); /* No more gids */ 1755fc931582SAndy Adamson hdr->nops++; 1756fc931582SAndy Adamson hdr->replen += decode_create_session_maxsz; 1757fc931582SAndy Adamson } 17580f3e66c6SAndy Adamson 17590f3e66c6SAndy Adamson static void encode_destroy_session(struct xdr_stream *xdr, 17600f3e66c6SAndy Adamson struct nfs4_session *session, 17610f3e66c6SAndy Adamson struct compound_hdr *hdr) 17620f3e66c6SAndy Adamson { 17630f3e66c6SAndy Adamson __be32 *p; 176413c65ce9SBenny Halevy p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); 1765e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_DESTROY_SESSION); 176634558513SBenny Halevy xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); 17670f3e66c6SAndy Adamson hdr->nops++; 17680f3e66c6SAndy Adamson hdr->replen += decode_destroy_session_maxsz; 17690f3e66c6SAndy Adamson } 177018019753SRicardo Labiaga 177118019753SRicardo Labiaga static void encode_reclaim_complete(struct xdr_stream *xdr, 177218019753SRicardo Labiaga struct nfs41_reclaim_complete_args *args, 177318019753SRicardo Labiaga struct compound_hdr *hdr) 177418019753SRicardo Labiaga { 177518019753SRicardo Labiaga __be32 *p; 177618019753SRicardo Labiaga 177718019753SRicardo Labiaga p = reserve_space(xdr, 8); 177818019753SRicardo Labiaga *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); 177918019753SRicardo Labiaga *p++ = cpu_to_be32(args->one_fs); 178018019753SRicardo Labiaga hdr->nops++; 178118019753SRicardo Labiaga hdr->replen += decode_reclaim_complete_maxsz; 178218019753SRicardo Labiaga } 178399fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 178499fe60d0SBenny Halevy 17859b7b9fccSAndy Adamson static void encode_sequence(struct xdr_stream *xdr, 17869b7b9fccSAndy Adamson const struct nfs4_sequence_args *args, 17879b7b9fccSAndy Adamson struct compound_hdr *hdr) 17889b7b9fccSAndy Adamson { 17899b7b9fccSAndy Adamson #if defined(CONFIG_NFS_V4_1) 17909b7b9fccSAndy Adamson struct nfs4_session *session = args->sa_session; 1791fc01cea9SAndy Adamson struct nfs4_slot_table *tp; 1792fc01cea9SAndy Adamson struct nfs4_slot *slot; 1793fc01cea9SAndy Adamson __be32 *p; 17949b7b9fccSAndy Adamson 17959b7b9fccSAndy Adamson if (!session) 17969b7b9fccSAndy Adamson return; 17979b7b9fccSAndy Adamson 1798fc01cea9SAndy Adamson tp = &session->fc_slot_table; 1799fc01cea9SAndy Adamson 1800fc01cea9SAndy Adamson WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); 1801fc01cea9SAndy Adamson slot = tp->slots + args->sa_slotid; 1802fc01cea9SAndy Adamson 180313c65ce9SBenny Halevy p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); 1804e75bc1c8SBenny Halevy *p++ = cpu_to_be32(OP_SEQUENCE); 1805fc01cea9SAndy Adamson 1806fc01cea9SAndy Adamson /* 1807fc01cea9SAndy Adamson * Sessionid + seqid + slotid + max slotid + cache_this 1808fc01cea9SAndy Adamson */ 1809fc01cea9SAndy Adamson dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " 1810fc01cea9SAndy Adamson "max_slotid=%d cache_this=%d\n", 1811fc01cea9SAndy Adamson __func__, 1812fc01cea9SAndy Adamson ((u32 *)session->sess_id.data)[0], 1813fc01cea9SAndy Adamson ((u32 *)session->sess_id.data)[1], 1814fc01cea9SAndy Adamson ((u32 *)session->sess_id.data)[2], 1815fc01cea9SAndy Adamson ((u32 *)session->sess_id.data)[3], 1816fc01cea9SAndy Adamson slot->seq_nr, args->sa_slotid, 1817fc01cea9SAndy Adamson tp->highest_used_slotid, args->sa_cache_this); 181893f0cf25SBenny Halevy p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); 1819e75bc1c8SBenny Halevy *p++ = cpu_to_be32(slot->seq_nr); 1820e75bc1c8SBenny Halevy *p++ = cpu_to_be32(args->sa_slotid); 1821e75bc1c8SBenny Halevy *p++ = cpu_to_be32(tp->highest_used_slotid); 182234558513SBenny Halevy *p = cpu_to_be32(args->sa_cache_this); 18239b7b9fccSAndy Adamson hdr->nops++; 18249b7b9fccSAndy Adamson hdr->replen += decode_sequence_maxsz; 18259b7b9fccSAndy Adamson #endif /* CONFIG_NFS_V4_1 */ 18269b7b9fccSAndy Adamson } 18279b7b9fccSAndy Adamson 1828b1f69b75SAndy Adamson #ifdef CONFIG_NFS_V4_1 1829b1f69b75SAndy Adamson static void 1830b1f69b75SAndy Adamson encode_getdeviceinfo(struct xdr_stream *xdr, 1831b1f69b75SAndy Adamson const struct nfs4_getdeviceinfo_args *args, 1832b1f69b75SAndy Adamson struct compound_hdr *hdr) 1833b1f69b75SAndy Adamson { 1834b1f69b75SAndy Adamson __be32 *p; 1835b1f69b75SAndy Adamson 1836b1f69b75SAndy Adamson p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); 1837b1f69b75SAndy Adamson *p++ = cpu_to_be32(OP_GETDEVICEINFO); 1838b1f69b75SAndy Adamson p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, 1839b1f69b75SAndy Adamson NFS4_DEVICEID4_SIZE); 1840b1f69b75SAndy Adamson *p++ = cpu_to_be32(args->pdev->layout_type); 1841b1f69b75SAndy Adamson *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ 1842b1f69b75SAndy Adamson *p++ = cpu_to_be32(0); /* bitmap length 0 */ 1843b1f69b75SAndy Adamson hdr->nops++; 1844b1f69b75SAndy Adamson hdr->replen += decode_getdeviceinfo_maxsz; 1845b1f69b75SAndy Adamson } 1846b1f69b75SAndy Adamson 1847b1f69b75SAndy Adamson static void 1848b1f69b75SAndy Adamson encode_layoutget(struct xdr_stream *xdr, 1849b1f69b75SAndy Adamson const struct nfs4_layoutget_args *args, 1850b1f69b75SAndy Adamson struct compound_hdr *hdr) 1851b1f69b75SAndy Adamson { 1852b1f69b75SAndy Adamson __be32 *p; 1853b1f69b75SAndy Adamson 1854b1f69b75SAndy Adamson p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); 1855b1f69b75SAndy Adamson *p++ = cpu_to_be32(OP_LAYOUTGET); 1856b1f69b75SAndy Adamson *p++ = cpu_to_be32(0); /* Signal layout available */ 1857b1f69b75SAndy Adamson *p++ = cpu_to_be32(args->type); 1858b1f69b75SAndy Adamson *p++ = cpu_to_be32(args->range.iomode); 1859b1f69b75SAndy Adamson p = xdr_encode_hyper(p, args->range.offset); 1860b1f69b75SAndy Adamson p = xdr_encode_hyper(p, args->range.length); 1861b1f69b75SAndy Adamson p = xdr_encode_hyper(p, args->minlength); 1862cf7d63f1SFred Isaman p = xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); 1863b1f69b75SAndy Adamson *p = cpu_to_be32(args->maxcount); 1864b1f69b75SAndy Adamson 1865b1f69b75SAndy Adamson dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", 1866b1f69b75SAndy Adamson __func__, 1867b1f69b75SAndy Adamson args->type, 1868b1f69b75SAndy Adamson args->range.iomode, 1869b1f69b75SAndy Adamson (unsigned long)args->range.offset, 1870b1f69b75SAndy Adamson (unsigned long)args->range.length, 1871b1f69b75SAndy Adamson args->maxcount); 1872b1f69b75SAndy Adamson hdr->nops++; 1873b1f69b75SAndy Adamson hdr->replen += decode_layoutget_maxsz; 1874b1f69b75SAndy Adamson } 1875863a3c6cSAndy Adamson 1876863a3c6cSAndy Adamson static int 1877863a3c6cSAndy Adamson encode_layoutcommit(struct xdr_stream *xdr, 1878863a3c6cSAndy Adamson const struct nfs4_layoutcommit_args *args, 1879863a3c6cSAndy Adamson struct compound_hdr *hdr) 1880863a3c6cSAndy Adamson { 1881863a3c6cSAndy Adamson __be32 *p; 1882863a3c6cSAndy Adamson 1883863a3c6cSAndy Adamson dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, 1884863a3c6cSAndy Adamson NFS_SERVER(args->inode)->pnfs_curr_ld->id); 1885863a3c6cSAndy Adamson 1886863a3c6cSAndy Adamson p = reserve_space(xdr, 48 + NFS4_STATEID_SIZE); 1887863a3c6cSAndy Adamson *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); 1888863a3c6cSAndy Adamson /* Only whole file layouts */ 1889863a3c6cSAndy Adamson p = xdr_encode_hyper(p, 0); /* offset */ 1890863a3c6cSAndy Adamson p = xdr_encode_hyper(p, NFS4_MAX_UINT64); /* length */ 1891863a3c6cSAndy Adamson *p++ = cpu_to_be32(0); /* reclaim */ 1892863a3c6cSAndy Adamson p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE); 1893863a3c6cSAndy Adamson *p++ = cpu_to_be32(1); /* newoffset = TRUE */ 1894863a3c6cSAndy Adamson p = xdr_encode_hyper(p, args->lastbytewritten); 1895863a3c6cSAndy Adamson *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ 1896863a3c6cSAndy Adamson *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ 1897863a3c6cSAndy Adamson *p++ = cpu_to_be32(0); /* no file layout payload */ 1898863a3c6cSAndy Adamson 1899863a3c6cSAndy Adamson hdr->nops++; 1900863a3c6cSAndy Adamson hdr->replen += decode_layoutcommit_maxsz; 1901863a3c6cSAndy Adamson return 0; 1902863a3c6cSAndy Adamson } 1903cbe82603SBenny Halevy 1904cbe82603SBenny Halevy static void 1905cbe82603SBenny Halevy encode_layoutreturn(struct xdr_stream *xdr, 1906cbe82603SBenny Halevy const struct nfs4_layoutreturn_args *args, 1907cbe82603SBenny Halevy struct compound_hdr *hdr) 1908cbe82603SBenny Halevy { 1909cbe82603SBenny Halevy __be32 *p; 1910cbe82603SBenny Halevy 1911cbe82603SBenny Halevy p = reserve_space(xdr, 20); 1912cbe82603SBenny Halevy *p++ = cpu_to_be32(OP_LAYOUTRETURN); 1913cbe82603SBenny Halevy *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ 1914cbe82603SBenny Halevy *p++ = cpu_to_be32(args->layout_type); 1915cbe82603SBenny Halevy *p++ = cpu_to_be32(IOMODE_ANY); 1916cbe82603SBenny Halevy *p = cpu_to_be32(RETURN_FILE); 1917cbe82603SBenny Halevy p = reserve_space(xdr, 16 + NFS4_STATEID_SIZE); 1918cbe82603SBenny Halevy p = xdr_encode_hyper(p, 0); 1919cbe82603SBenny Halevy p = xdr_encode_hyper(p, NFS4_MAX_UINT64); 1920cbe82603SBenny Halevy spin_lock(&args->inode->i_lock); 1921cbe82603SBenny Halevy xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); 1922cbe82603SBenny Halevy spin_unlock(&args->inode->i_lock); 1923cbe82603SBenny Halevy p = reserve_space(xdr, 4); 1924cbe82603SBenny Halevy *p = cpu_to_be32(0); 1925cbe82603SBenny Halevy hdr->nops++; 1926cbe82603SBenny Halevy hdr->replen += decode_layoutreturn_maxsz; 1927cbe82603SBenny Halevy } 1928b1f69b75SAndy Adamson #endif /* CONFIG_NFS_V4_1 */ 1929b1f69b75SAndy Adamson 19301da177e4SLinus Torvalds /* 19311da177e4SLinus Torvalds * END OF "GENERIC" ENCODE ROUTINES. 19321da177e4SLinus Torvalds */ 19331da177e4SLinus Torvalds 193466cc0429SBenny Halevy static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) 193566cc0429SBenny Halevy { 193666cc0429SBenny Halevy #if defined(CONFIG_NFS_V4_1) 193766cc0429SBenny Halevy if (args->sa_session) 1938a4432345STrond Myklebust return args->sa_session->clp->cl_mvops->minor_version; 193966cc0429SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 194066cc0429SBenny Halevy return 0; 194166cc0429SBenny Halevy } 194266cc0429SBenny Halevy 19431da177e4SLinus Torvalds /* 19441da177e4SLinus Torvalds * Encode an ACCESS request 19451da177e4SLinus Torvalds */ 19469f06c719SChuck Lever static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, 19479f06c719SChuck Lever const struct nfs4_accessargs *args) 19481da177e4SLinus Torvalds { 19491da177e4SLinus Torvalds struct compound_hdr hdr = { 195066cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 19511da177e4SLinus Torvalds }; 19521da177e4SLinus Torvalds 19539f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 19549f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 19559f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 19569f06c719SChuck Lever encode_access(xdr, args->access, &hdr); 19579f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 1958d017931cSAndy Adamson encode_nops(&hdr); 19591da177e4SLinus Torvalds } 19601da177e4SLinus Torvalds 19611da177e4SLinus Torvalds /* 19621da177e4SLinus Torvalds * Encode LOOKUP request 19631da177e4SLinus Torvalds */ 19649f06c719SChuck Lever static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, 19659f06c719SChuck Lever const struct nfs4_lookup_arg *args) 19661da177e4SLinus Torvalds { 19671da177e4SLinus Torvalds struct compound_hdr hdr = { 196866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 19691da177e4SLinus Torvalds }; 19701da177e4SLinus Torvalds 19719f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 19729f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 19739f06c719SChuck Lever encode_putfh(xdr, args->dir_fh, &hdr); 19749f06c719SChuck Lever encode_lookup(xdr, args->name, &hdr); 19759f06c719SChuck Lever encode_getfh(xdr, &hdr); 19769f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 1977d017931cSAndy Adamson encode_nops(&hdr); 19781da177e4SLinus Torvalds } 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvalds /* 19811da177e4SLinus Torvalds * Encode LOOKUP_ROOT request 19821da177e4SLinus Torvalds */ 19839f06c719SChuck Lever static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, 19849f06c719SChuck Lever struct xdr_stream *xdr, 19859f06c719SChuck Lever const struct nfs4_lookup_root_arg *args) 19861da177e4SLinus Torvalds { 19871da177e4SLinus Torvalds struct compound_hdr hdr = { 198866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 19891da177e4SLinus Torvalds }; 19901da177e4SLinus Torvalds 19919f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 19929f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 19939f06c719SChuck Lever encode_putrootfh(xdr, &hdr); 19949f06c719SChuck Lever encode_getfh(xdr, &hdr); 19959f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 1996d017931cSAndy Adamson encode_nops(&hdr); 19971da177e4SLinus Torvalds } 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvalds /* 20001da177e4SLinus Torvalds * Encode REMOVE request 20011da177e4SLinus Torvalds */ 20029f06c719SChuck Lever static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, 20039f06c719SChuck Lever const struct nfs_removeargs *args) 20041da177e4SLinus Torvalds { 20051da177e4SLinus Torvalds struct compound_hdr hdr = { 200666cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 20071da177e4SLinus Torvalds }; 20081da177e4SLinus Torvalds 20099f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 20109f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 20119f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 20129f06c719SChuck Lever encode_remove(xdr, &args->name, &hdr); 20139f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2014d017931cSAndy Adamson encode_nops(&hdr); 20151da177e4SLinus Torvalds } 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvalds /* 20181da177e4SLinus Torvalds * Encode RENAME request 20191da177e4SLinus Torvalds */ 20209f06c719SChuck Lever static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, 20219f06c719SChuck Lever const struct nfs_renameargs *args) 20221da177e4SLinus Torvalds { 20231da177e4SLinus Torvalds struct compound_hdr hdr = { 202466cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 20251da177e4SLinus Torvalds }; 20261da177e4SLinus Torvalds 20279f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 20289f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 20299f06c719SChuck Lever encode_putfh(xdr, args->old_dir, &hdr); 20309f06c719SChuck Lever encode_savefh(xdr, &hdr); 20319f06c719SChuck Lever encode_putfh(xdr, args->new_dir, &hdr); 20329f06c719SChuck Lever encode_rename(xdr, args->old_name, args->new_name, &hdr); 20339f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 20349f06c719SChuck Lever encode_restorefh(xdr, &hdr); 20359f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2036d017931cSAndy Adamson encode_nops(&hdr); 20371da177e4SLinus Torvalds } 20381da177e4SLinus Torvalds 20391da177e4SLinus Torvalds /* 20401da177e4SLinus Torvalds * Encode LINK request 20411da177e4SLinus Torvalds */ 20429f06c719SChuck Lever static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, 20439f06c719SChuck Lever const struct nfs4_link_arg *args) 20441da177e4SLinus Torvalds { 20451da177e4SLinus Torvalds struct compound_hdr hdr = { 204666cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 20471da177e4SLinus Torvalds }; 20481da177e4SLinus Torvalds 20499f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 20509f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 20519f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 20529f06c719SChuck Lever encode_savefh(xdr, &hdr); 20539f06c719SChuck Lever encode_putfh(xdr, args->dir_fh, &hdr); 20549f06c719SChuck Lever encode_link(xdr, args->name, &hdr); 20559f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 20569f06c719SChuck Lever encode_restorefh(xdr, &hdr); 20579f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2058d017931cSAndy Adamson encode_nops(&hdr); 20591da177e4SLinus Torvalds } 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvalds /* 20621da177e4SLinus Torvalds * Encode CREATE request 20631da177e4SLinus Torvalds */ 20649f06c719SChuck Lever static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, 20659f06c719SChuck Lever const struct nfs4_create_arg *args) 20661da177e4SLinus Torvalds { 20671da177e4SLinus Torvalds struct compound_hdr hdr = { 206866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 20691da177e4SLinus Torvalds }; 20701da177e4SLinus Torvalds 20719f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 20729f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 20739f06c719SChuck Lever encode_putfh(xdr, args->dir_fh, &hdr); 20749f06c719SChuck Lever encode_savefh(xdr, &hdr); 20759f06c719SChuck Lever encode_create(xdr, args, &hdr); 20769f06c719SChuck Lever encode_getfh(xdr, &hdr); 20779f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 20789f06c719SChuck Lever encode_restorefh(xdr, &hdr); 20799f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2080d017931cSAndy Adamson encode_nops(&hdr); 20811da177e4SLinus Torvalds } 20821da177e4SLinus Torvalds 20831da177e4SLinus Torvalds /* 20841da177e4SLinus Torvalds * Encode SYMLINK request 20851da177e4SLinus Torvalds */ 20869f06c719SChuck Lever static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, 20879f06c719SChuck Lever const struct nfs4_create_arg *args) 20881da177e4SLinus Torvalds { 20899f06c719SChuck Lever nfs4_xdr_enc_create(req, xdr, args); 20901da177e4SLinus Torvalds } 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvalds /* 20931da177e4SLinus Torvalds * Encode GETATTR request 20941da177e4SLinus Torvalds */ 20959f06c719SChuck Lever static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, 20969f06c719SChuck Lever const struct nfs4_getattr_arg *args) 20971da177e4SLinus Torvalds { 20981da177e4SLinus Torvalds struct compound_hdr hdr = { 209966cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 21001da177e4SLinus Torvalds }; 21011da177e4SLinus Torvalds 21029f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21039f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 21049f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21059f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2106d017931cSAndy Adamson encode_nops(&hdr); 21071da177e4SLinus Torvalds } 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvalds /* 21101da177e4SLinus Torvalds * Encode a CLOSE request 21111da177e4SLinus Torvalds */ 21129f06c719SChuck Lever static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, 21139f06c719SChuck Lever struct nfs_closeargs *args) 21141da177e4SLinus Torvalds { 21151da177e4SLinus Torvalds struct compound_hdr hdr = { 211666cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 21171da177e4SLinus Torvalds }; 21181da177e4SLinus Torvalds 21199f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21209f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 21219f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21229f06c719SChuck Lever encode_close(xdr, args, &hdr); 21239f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2124d017931cSAndy Adamson encode_nops(&hdr); 21251da177e4SLinus Torvalds } 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvalds /* 21281da177e4SLinus Torvalds * Encode an OPEN request 21291da177e4SLinus Torvalds */ 21309f06c719SChuck Lever static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, 21319f06c719SChuck Lever struct nfs_openargs *args) 21321da177e4SLinus Torvalds { 21331da177e4SLinus Torvalds struct compound_hdr hdr = { 213466cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 21351da177e4SLinus Torvalds }; 21361da177e4SLinus Torvalds 21379f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21389f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 21399f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21409f06c719SChuck Lever encode_savefh(xdr, &hdr); 21419f06c719SChuck Lever encode_open(xdr, args, &hdr); 21429f06c719SChuck Lever encode_getfh(xdr, &hdr); 21439f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 21449f06c719SChuck Lever encode_restorefh(xdr, &hdr); 21459f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2146d017931cSAndy Adamson encode_nops(&hdr); 21471da177e4SLinus Torvalds } 21481da177e4SLinus Torvalds 21491da177e4SLinus Torvalds /* 21501da177e4SLinus Torvalds * Encode an OPEN_CONFIRM request 21511da177e4SLinus Torvalds */ 21529f06c719SChuck Lever static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, 21539f06c719SChuck Lever struct xdr_stream *xdr, 21549f06c719SChuck Lever struct nfs_open_confirmargs *args) 21551da177e4SLinus Torvalds { 21561da177e4SLinus Torvalds struct compound_hdr hdr = { 2157d017931cSAndy Adamson .nops = 0, 21581da177e4SLinus Torvalds }; 21591da177e4SLinus Torvalds 21609f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21619f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21629f06c719SChuck Lever encode_open_confirm(xdr, args, &hdr); 2163d017931cSAndy Adamson encode_nops(&hdr); 21641da177e4SLinus Torvalds } 21651da177e4SLinus Torvalds 21661da177e4SLinus Torvalds /* 21671da177e4SLinus Torvalds * Encode an OPEN request with no attributes. 21681da177e4SLinus Torvalds */ 21699f06c719SChuck Lever static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, 21709f06c719SChuck Lever struct xdr_stream *xdr, 21719f06c719SChuck Lever struct nfs_openargs *args) 21721da177e4SLinus Torvalds { 21731da177e4SLinus Torvalds struct compound_hdr hdr = { 217466cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 21751da177e4SLinus Torvalds }; 21761da177e4SLinus Torvalds 21779f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21789f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 21799f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21809f06c719SChuck Lever encode_open(xdr, args, &hdr); 21819f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2182d017931cSAndy Adamson encode_nops(&hdr); 21831da177e4SLinus Torvalds } 21841da177e4SLinus Torvalds 21851da177e4SLinus Torvalds /* 21861da177e4SLinus Torvalds * Encode an OPEN_DOWNGRADE request 21871da177e4SLinus Torvalds */ 21889f06c719SChuck Lever static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, 21899f06c719SChuck Lever struct xdr_stream *xdr, 21909f06c719SChuck Lever struct nfs_closeargs *args) 21911da177e4SLinus Torvalds { 21921da177e4SLinus Torvalds struct compound_hdr hdr = { 219366cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 21941da177e4SLinus Torvalds }; 21951da177e4SLinus Torvalds 21969f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 21979f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 21989f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 21999f06c719SChuck Lever encode_open_downgrade(xdr, args, &hdr); 22009f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2201d017931cSAndy Adamson encode_nops(&hdr); 22021da177e4SLinus Torvalds } 22031da177e4SLinus Torvalds 22041da177e4SLinus Torvalds /* 22051da177e4SLinus Torvalds * Encode a LOCK request 22061da177e4SLinus Torvalds */ 22079f06c719SChuck Lever static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, 22089f06c719SChuck Lever struct nfs_lock_args *args) 22091da177e4SLinus Torvalds { 22101da177e4SLinus Torvalds struct compound_hdr hdr = { 221166cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 22121da177e4SLinus Torvalds }; 22131da177e4SLinus Torvalds 22149f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22159f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 22169f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 22179f06c719SChuck Lever encode_lock(xdr, args, &hdr); 2218d017931cSAndy Adamson encode_nops(&hdr); 22191da177e4SLinus Torvalds } 22201da177e4SLinus Torvalds 22211da177e4SLinus Torvalds /* 22221da177e4SLinus Torvalds * Encode a LOCKT request 22231da177e4SLinus Torvalds */ 22249f06c719SChuck Lever static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, 22259f06c719SChuck Lever struct nfs_lockt_args *args) 22261da177e4SLinus Torvalds { 22271da177e4SLinus Torvalds struct compound_hdr hdr = { 222866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 22291da177e4SLinus Torvalds }; 22301da177e4SLinus Torvalds 22319f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22329f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 22339f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 22349f06c719SChuck Lever encode_lockt(xdr, args, &hdr); 2235d017931cSAndy Adamson encode_nops(&hdr); 22361da177e4SLinus Torvalds } 22371da177e4SLinus Torvalds 22381da177e4SLinus Torvalds /* 22391da177e4SLinus Torvalds * Encode a LOCKU request 22401da177e4SLinus Torvalds */ 22419f06c719SChuck Lever static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, 22429f06c719SChuck Lever struct nfs_locku_args *args) 22431da177e4SLinus Torvalds { 22441da177e4SLinus Torvalds struct compound_hdr hdr = { 224566cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 22461da177e4SLinus Torvalds }; 22471da177e4SLinus Torvalds 22489f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22499f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 22509f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 22519f06c719SChuck Lever encode_locku(xdr, args, &hdr); 2252d017931cSAndy Adamson encode_nops(&hdr); 22531da177e4SLinus Torvalds } 22541da177e4SLinus Torvalds 22559f06c719SChuck Lever static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, 22569f06c719SChuck Lever struct xdr_stream *xdr, 22579f06c719SChuck Lever struct nfs_release_lockowner_args *args) 2258d3c7b7ccSTrond Myklebust { 2259d3c7b7ccSTrond Myklebust struct compound_hdr hdr = { 2260d3c7b7ccSTrond Myklebust .minorversion = 0, 2261d3c7b7ccSTrond Myklebust }; 2262d3c7b7ccSTrond Myklebust 22639f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22649f06c719SChuck Lever encode_release_lockowner(xdr, &args->lock_owner, &hdr); 2265d3c7b7ccSTrond Myklebust encode_nops(&hdr); 2266d3c7b7ccSTrond Myklebust } 2267d3c7b7ccSTrond Myklebust 22681da177e4SLinus Torvalds /* 22691da177e4SLinus Torvalds * Encode a READLINK request 22701da177e4SLinus Torvalds */ 22719f06c719SChuck Lever static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, 22729f06c719SChuck Lever const struct nfs4_readlink *args) 22731da177e4SLinus Torvalds { 22741da177e4SLinus Torvalds struct compound_hdr hdr = { 227566cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 22761da177e4SLinus Torvalds }; 22771da177e4SLinus Torvalds 22789f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22799f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 22809f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 22819f06c719SChuck Lever encode_readlink(xdr, args, req, &hdr); 2282e3a535e1STrond Myklebust 228328f56694SBenny Halevy xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, 2284e3a535e1STrond Myklebust args->pgbase, args->pglen); 2285d017931cSAndy Adamson encode_nops(&hdr); 22861da177e4SLinus Torvalds } 22871da177e4SLinus Torvalds 22881da177e4SLinus Torvalds /* 22891da177e4SLinus Torvalds * Encode a READDIR request 22901da177e4SLinus Torvalds */ 22919f06c719SChuck Lever static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, 22929f06c719SChuck Lever const struct nfs4_readdir_arg *args) 22931da177e4SLinus Torvalds { 22941da177e4SLinus Torvalds struct compound_hdr hdr = { 229566cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 22961da177e4SLinus Torvalds }; 22971da177e4SLinus Torvalds 22989f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 22999f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 23009f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 23019f06c719SChuck Lever encode_readdir(xdr, args, req, &hdr); 2302d6ac02dfSTrond Myklebust 230328f56694SBenny Halevy xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, 2304d6ac02dfSTrond Myklebust args->pgbase, args->count); 2305d6ac02dfSTrond Myklebust dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", 230628f56694SBenny Halevy __func__, hdr.replen << 2, args->pages, 2307d6ac02dfSTrond Myklebust args->pgbase, args->count); 2308d017931cSAndy Adamson encode_nops(&hdr); 23091da177e4SLinus Torvalds } 23101da177e4SLinus Torvalds 23111da177e4SLinus Torvalds /* 23121da177e4SLinus Torvalds * Encode a READ request 23131da177e4SLinus Torvalds */ 23149f06c719SChuck Lever static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, 23159f06c719SChuck Lever struct nfs_readargs *args) 23161da177e4SLinus Torvalds { 23171da177e4SLinus Torvalds struct compound_hdr hdr = { 231866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 23191da177e4SLinus Torvalds }; 23201da177e4SLinus Torvalds 23219f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 23229f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 23239f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 23249f06c719SChuck Lever encode_read(xdr, args, &hdr); 23251da177e4SLinus Torvalds 232628f56694SBenny Halevy xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, 23271da177e4SLinus Torvalds args->pages, args->pgbase, args->count); 23284f22ccc3S\"Talpey, Thomas\ req->rq_rcv_buf.flags |= XDRBUF_READ; 2329d017931cSAndy Adamson encode_nops(&hdr); 23301da177e4SLinus Torvalds } 23311da177e4SLinus Torvalds 23321da177e4SLinus Torvalds /* 23331da177e4SLinus Torvalds * Encode an SETATTR request 23341da177e4SLinus Torvalds */ 23359f06c719SChuck Lever static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, 23369f06c719SChuck Lever struct nfs_setattrargs *args) 23371da177e4SLinus Torvalds { 23381da177e4SLinus Torvalds struct compound_hdr hdr = { 233966cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 23401da177e4SLinus Torvalds }; 23411da177e4SLinus Torvalds 23429f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 23439f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 23449f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 23459f06c719SChuck Lever encode_setattr(xdr, args, args->server, &hdr); 23469f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2347d017931cSAndy Adamson encode_nops(&hdr); 23481da177e4SLinus Torvalds } 23491da177e4SLinus Torvalds 23501da177e4SLinus Torvalds /* 2351029d105eSJ. Bruce Fields * Encode a GETACL request 2352029d105eSJ. Bruce Fields */ 23539f06c719SChuck Lever static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, 2354029d105eSJ. Bruce Fields struct nfs_getaclargs *args) 2355029d105eSJ. Bruce Fields { 2356029d105eSJ. Bruce Fields struct compound_hdr hdr = { 235766cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2358029d105eSJ. Bruce Fields }; 235928f56694SBenny Halevy uint32_t replen; 2360029d105eSJ. Bruce Fields 23619f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 23629f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 23639f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 2364d327cf74SJ. Bruce Fields replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; 23659f06c719SChuck Lever encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); 2366cf8cdbe5SAndy Adamson 236728f56694SBenny Halevy xdr_inline_pages(&req->rq_rcv_buf, replen << 2, 2368029d105eSJ. Bruce Fields args->acl_pages, args->acl_pgbase, args->acl_len); 2369d017931cSAndy Adamson encode_nops(&hdr); 2370029d105eSJ. Bruce Fields } 2371029d105eSJ. Bruce Fields 2372029d105eSJ. Bruce Fields /* 23731da177e4SLinus Torvalds * Encode a WRITE request 23741da177e4SLinus Torvalds */ 23759f06c719SChuck Lever static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, 23769f06c719SChuck Lever struct nfs_writeargs *args) 23771da177e4SLinus Torvalds { 23781da177e4SLinus Torvalds struct compound_hdr hdr = { 237966cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 23801da177e4SLinus Torvalds }; 23811da177e4SLinus Torvalds 23829f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 23839f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 23849f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 23859f06c719SChuck Lever encode_write(xdr, args, &hdr); 23864f22ccc3S\"Talpey, Thomas\ req->rq_snd_buf.flags |= XDRBUF_WRITE; 23877ffd1064SFred Isaman if (args->bitmask) 23889f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2389d017931cSAndy Adamson encode_nops(&hdr); 23901da177e4SLinus Torvalds } 23911da177e4SLinus Torvalds 23921da177e4SLinus Torvalds /* 23931da177e4SLinus Torvalds * a COMMIT request 23941da177e4SLinus Torvalds */ 23959f06c719SChuck Lever static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, 23969f06c719SChuck Lever struct nfs_writeargs *args) 23971da177e4SLinus Torvalds { 23981da177e4SLinus Torvalds struct compound_hdr hdr = { 239966cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 24001da177e4SLinus Torvalds }; 24011da177e4SLinus Torvalds 24029f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24039f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 24049f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 24059f06c719SChuck Lever encode_commit(xdr, args, &hdr); 2406988b6dceSFred Isaman if (args->bitmask) 24079f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2408d017931cSAndy Adamson encode_nops(&hdr); 24091da177e4SLinus Torvalds } 24101da177e4SLinus Torvalds 24111da177e4SLinus Torvalds /* 24121da177e4SLinus Torvalds * FSINFO request 24131da177e4SLinus Torvalds */ 24149f06c719SChuck Lever static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, 24159f06c719SChuck Lever struct nfs4_fsinfo_arg *args) 24161da177e4SLinus Torvalds { 24171da177e4SLinus Torvalds struct compound_hdr hdr = { 241866cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 24191da177e4SLinus Torvalds }; 24201da177e4SLinus Torvalds 24219f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24229f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 24239f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 24249f06c719SChuck Lever encode_fsinfo(xdr, args->bitmask, &hdr); 2425d017931cSAndy Adamson encode_nops(&hdr); 24261da177e4SLinus Torvalds } 24271da177e4SLinus Torvalds 24281da177e4SLinus Torvalds /* 24291da177e4SLinus Torvalds * a PATHCONF request 24301da177e4SLinus Torvalds */ 24319f06c719SChuck Lever static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, 24329f06c719SChuck Lever const struct nfs4_pathconf_arg *args) 24331da177e4SLinus Torvalds { 24341da177e4SLinus Torvalds struct compound_hdr hdr = { 243566cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 24361da177e4SLinus Torvalds }; 24371da177e4SLinus Torvalds 24389f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24399f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 24409f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 24419f06c719SChuck Lever encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], 2442d017931cSAndy Adamson &hdr); 2443d017931cSAndy Adamson encode_nops(&hdr); 24441da177e4SLinus Torvalds } 24451da177e4SLinus Torvalds 24461da177e4SLinus Torvalds /* 24471da177e4SLinus Torvalds * a STATFS request 24481da177e4SLinus Torvalds */ 24499f06c719SChuck Lever static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, 24509f06c719SChuck Lever const struct nfs4_statfs_arg *args) 24511da177e4SLinus Torvalds { 24521da177e4SLinus Torvalds struct compound_hdr hdr = { 245366cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 24541da177e4SLinus Torvalds }; 24551da177e4SLinus Torvalds 24569f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24579f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 24589f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 24599f06c719SChuck Lever encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], 2460d017931cSAndy Adamson args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); 2461d017931cSAndy Adamson encode_nops(&hdr); 24621da177e4SLinus Torvalds } 24631da177e4SLinus Torvalds 24641da177e4SLinus Torvalds /* 24651da177e4SLinus Torvalds * GETATTR_BITMAP request 24661da177e4SLinus Torvalds */ 24679f06c719SChuck Lever static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, 24689f06c719SChuck Lever struct xdr_stream *xdr, 246943652ad5SBenny Halevy struct nfs4_server_caps_arg *args) 24701da177e4SLinus Torvalds { 24711da177e4SLinus Torvalds struct compound_hdr hdr = { 247266cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 24731da177e4SLinus Torvalds }; 24741da177e4SLinus Torvalds 24759f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24769f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 24779f06c719SChuck Lever encode_putfh(xdr, args->fhandle, &hdr); 24789f06c719SChuck Lever encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| 24791da177e4SLinus Torvalds FATTR4_WORD0_LINK_SUPPORT| 24801da177e4SLinus Torvalds FATTR4_WORD0_SYMLINK_SUPPORT| 2481d017931cSAndy Adamson FATTR4_WORD0_ACLSUPPORT, &hdr); 2482d017931cSAndy Adamson encode_nops(&hdr); 24831da177e4SLinus Torvalds } 24841da177e4SLinus Torvalds 24851da177e4SLinus Torvalds /* 24861da177e4SLinus Torvalds * a RENEW request 24871da177e4SLinus Torvalds */ 24889f06c719SChuck Lever static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, 24899f06c719SChuck Lever struct nfs_client *clp) 24901da177e4SLinus Torvalds { 24911da177e4SLinus Torvalds struct compound_hdr hdr = { 2492d017931cSAndy Adamson .nops = 0, 24931da177e4SLinus Torvalds }; 24941da177e4SLinus Torvalds 24959f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 24969f06c719SChuck Lever encode_renew(xdr, clp, &hdr); 2497d017931cSAndy Adamson encode_nops(&hdr); 24981da177e4SLinus Torvalds } 24991da177e4SLinus Torvalds 25001da177e4SLinus Torvalds /* 25011da177e4SLinus Torvalds * a SETCLIENTID request 25021da177e4SLinus Torvalds */ 25039f06c719SChuck Lever static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, 25049f06c719SChuck Lever struct xdr_stream *xdr, 25059f06c719SChuck Lever struct nfs4_setclientid *sc) 25061da177e4SLinus Torvalds { 25071da177e4SLinus Torvalds struct compound_hdr hdr = { 2508d017931cSAndy Adamson .nops = 0, 25091da177e4SLinus Torvalds }; 25101da177e4SLinus Torvalds 25119f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 25129f06c719SChuck Lever encode_setclientid(xdr, sc, &hdr); 2513d017931cSAndy Adamson encode_nops(&hdr); 25141da177e4SLinus Torvalds } 25151da177e4SLinus Torvalds 25161da177e4SLinus Torvalds /* 25171da177e4SLinus Torvalds * a SETCLIENTID_CONFIRM request 25181da177e4SLinus Torvalds */ 25199f06c719SChuck Lever static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, 25209f06c719SChuck Lever struct xdr_stream *xdr, 25219f06c719SChuck Lever struct nfs4_setclientid_res *arg) 25221da177e4SLinus Torvalds { 25231da177e4SLinus Torvalds struct compound_hdr hdr = { 2524d017931cSAndy Adamson .nops = 0, 25251da177e4SLinus Torvalds }; 25261da177e4SLinus Torvalds const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; 25271da177e4SLinus Torvalds 25289f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 25299f06c719SChuck Lever encode_setclientid_confirm(xdr, arg, &hdr); 25309f06c719SChuck Lever encode_putrootfh(xdr, &hdr); 25319f06c719SChuck Lever encode_fsinfo(xdr, lease_bitmap, &hdr); 2532d017931cSAndy Adamson encode_nops(&hdr); 25331da177e4SLinus Torvalds } 25341da177e4SLinus Torvalds 25351da177e4SLinus Torvalds /* 25361da177e4SLinus Torvalds * DELEGRETURN request 25371da177e4SLinus Torvalds */ 25389f06c719SChuck Lever static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, 25399f06c719SChuck Lever struct xdr_stream *xdr, 25409f06c719SChuck Lever const struct nfs4_delegreturnargs *args) 25411da177e4SLinus Torvalds { 25421da177e4SLinus Torvalds struct compound_hdr hdr = { 254366cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 25441da177e4SLinus Torvalds }; 25451da177e4SLinus Torvalds 25469f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 25479f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 25489f06c719SChuck Lever encode_putfh(xdr, args->fhandle, &hdr); 25499f06c719SChuck Lever encode_delegreturn(xdr, args->stateid, &hdr); 25509f06c719SChuck Lever encode_getfattr(xdr, args->bitmask, &hdr); 2551d017931cSAndy Adamson encode_nops(&hdr); 25521da177e4SLinus Torvalds } 25531da177e4SLinus Torvalds 25541da177e4SLinus Torvalds /* 2555683b57b4STrond Myklebust * Encode FS_LOCATIONS request 2556683b57b4STrond Myklebust */ 25579f06c719SChuck Lever static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, 25589f06c719SChuck Lever struct xdr_stream *xdr, 25599f06c719SChuck Lever struct nfs4_fs_locations_arg *args) 2560683b57b4STrond Myklebust { 2561683b57b4STrond Myklebust struct compound_hdr hdr = { 256266cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2563683b57b4STrond Myklebust }; 256428f56694SBenny Halevy uint32_t replen; 2565683b57b4STrond Myklebust 25669f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 25679f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 25689f06c719SChuck Lever encode_putfh(xdr, args->dir_fh, &hdr); 25699f06c719SChuck Lever encode_lookup(xdr, args->name, &hdr); 257028f56694SBenny Halevy replen = hdr.replen; /* get the attribute into args->page */ 25719f06c719SChuck Lever encode_fs_locations(xdr, args->bitmask, &hdr); 2572cf8cdbe5SAndy Adamson 257328f56694SBenny Halevy xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, 2574683b57b4STrond Myklebust 0, PAGE_SIZE); 2575d017931cSAndy Adamson encode_nops(&hdr); 2576683b57b4STrond Myklebust } 2577683b57b4STrond Myklebust 25785a5ea0d4SBryan Schumaker /* 25795a5ea0d4SBryan Schumaker * Encode SECINFO request 25805a5ea0d4SBryan Schumaker */ 25815a5ea0d4SBryan Schumaker static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, 25825a5ea0d4SBryan Schumaker struct xdr_stream *xdr, 25835a5ea0d4SBryan Schumaker struct nfs4_secinfo_arg *args) 25845a5ea0d4SBryan Schumaker { 25855a5ea0d4SBryan Schumaker struct compound_hdr hdr = { 25865a5ea0d4SBryan Schumaker .minorversion = nfs4_xdr_minorversion(&args->seq_args), 25875a5ea0d4SBryan Schumaker }; 25885a5ea0d4SBryan Schumaker 25895a5ea0d4SBryan Schumaker encode_compound_hdr(xdr, req, &hdr); 25905a5ea0d4SBryan Schumaker encode_sequence(xdr, &args->seq_args, &hdr); 25915a5ea0d4SBryan Schumaker encode_putfh(xdr, args->dir_fh, &hdr); 25925a5ea0d4SBryan Schumaker encode_secinfo(xdr, args->name, &hdr); 25935a5ea0d4SBryan Schumaker encode_nops(&hdr); 25945a5ea0d4SBryan Schumaker } 25955a5ea0d4SBryan Schumaker 259699fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 259799fe60d0SBenny Halevy /* 259899fe60d0SBenny Halevy * EXCHANGE_ID request 259999fe60d0SBenny Halevy */ 26009f06c719SChuck Lever static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, 26019f06c719SChuck Lever struct xdr_stream *xdr, 260299fe60d0SBenny Halevy struct nfs41_exchange_id_args *args) 260399fe60d0SBenny Halevy { 260499fe60d0SBenny Halevy struct compound_hdr hdr = { 2605a4432345STrond Myklebust .minorversion = args->client->cl_mvops->minor_version, 260699fe60d0SBenny Halevy }; 260799fe60d0SBenny Halevy 26089f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26099f06c719SChuck Lever encode_exchange_id(xdr, args, &hdr); 261099fe60d0SBenny Halevy encode_nops(&hdr); 261199fe60d0SBenny Halevy } 26122050f0ccSAndy Adamson 26132050f0ccSAndy Adamson /* 2614fc931582SAndy Adamson * a CREATE_SESSION request 2615fc931582SAndy Adamson */ 26169f06c719SChuck Lever static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, 26179f06c719SChuck Lever struct xdr_stream *xdr, 2618fc931582SAndy Adamson struct nfs41_create_session_args *args) 2619fc931582SAndy Adamson { 2620fc931582SAndy Adamson struct compound_hdr hdr = { 2621a4432345STrond Myklebust .minorversion = args->client->cl_mvops->minor_version, 2622fc931582SAndy Adamson }; 2623fc931582SAndy Adamson 26249f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26259f06c719SChuck Lever encode_create_session(xdr, args, &hdr); 2626fc931582SAndy Adamson encode_nops(&hdr); 2627fc931582SAndy Adamson } 2628fc931582SAndy Adamson 2629fc931582SAndy Adamson /* 26300f3e66c6SAndy Adamson * a DESTROY_SESSION request 26310f3e66c6SAndy Adamson */ 26329f06c719SChuck Lever static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, 26339f06c719SChuck Lever struct xdr_stream *xdr, 26340f3e66c6SAndy Adamson struct nfs4_session *session) 26350f3e66c6SAndy Adamson { 26360f3e66c6SAndy Adamson struct compound_hdr hdr = { 2637a4432345STrond Myklebust .minorversion = session->clp->cl_mvops->minor_version, 26380f3e66c6SAndy Adamson }; 26390f3e66c6SAndy Adamson 26409f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26419f06c719SChuck Lever encode_destroy_session(xdr, session, &hdr); 26420f3e66c6SAndy Adamson encode_nops(&hdr); 26430f3e66c6SAndy Adamson } 26440f3e66c6SAndy Adamson 26450f3e66c6SAndy Adamson /* 2646fc01cea9SAndy Adamson * a SEQUENCE request 2647fc01cea9SAndy Adamson */ 26489f06c719SChuck Lever static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, 2649fc01cea9SAndy Adamson struct nfs4_sequence_args *args) 2650fc01cea9SAndy Adamson { 2651fc01cea9SAndy Adamson struct compound_hdr hdr = { 2652fc01cea9SAndy Adamson .minorversion = nfs4_xdr_minorversion(args), 2653fc01cea9SAndy Adamson }; 2654fc01cea9SAndy Adamson 26559f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26569f06c719SChuck Lever encode_sequence(xdr, args, &hdr); 2657fc01cea9SAndy Adamson encode_nops(&hdr); 2658fc01cea9SAndy Adamson } 2659fc01cea9SAndy Adamson 2660fc01cea9SAndy Adamson /* 26612050f0ccSAndy Adamson * a GET_LEASE_TIME request 26622050f0ccSAndy Adamson */ 26639f06c719SChuck Lever static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, 26649f06c719SChuck Lever struct xdr_stream *xdr, 26652050f0ccSAndy Adamson struct nfs4_get_lease_time_args *args) 26662050f0ccSAndy Adamson { 26672050f0ccSAndy Adamson struct compound_hdr hdr = { 26682050f0ccSAndy Adamson .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), 26692050f0ccSAndy Adamson }; 26702050f0ccSAndy Adamson const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; 26712050f0ccSAndy Adamson 26729f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26739f06c719SChuck Lever encode_sequence(xdr, &args->la_seq_args, &hdr); 26749f06c719SChuck Lever encode_putrootfh(xdr, &hdr); 26759f06c719SChuck Lever encode_fsinfo(xdr, lease_bitmap, &hdr); 26762050f0ccSAndy Adamson encode_nops(&hdr); 26772050f0ccSAndy Adamson } 267818019753SRicardo Labiaga 267918019753SRicardo Labiaga /* 268018019753SRicardo Labiaga * a RECLAIM_COMPLETE request 268118019753SRicardo Labiaga */ 26829f06c719SChuck Lever static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, 26839f06c719SChuck Lever struct xdr_stream *xdr, 268418019753SRicardo Labiaga struct nfs41_reclaim_complete_args *args) 268518019753SRicardo Labiaga { 268618019753SRicardo Labiaga struct compound_hdr hdr = { 268718019753SRicardo Labiaga .minorversion = nfs4_xdr_minorversion(&args->seq_args) 268818019753SRicardo Labiaga }; 268918019753SRicardo Labiaga 26909f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 26919f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 26929f06c719SChuck Lever encode_reclaim_complete(xdr, args, &hdr); 269318019753SRicardo Labiaga encode_nops(&hdr); 269418019753SRicardo Labiaga } 269518019753SRicardo Labiaga 2696b1f69b75SAndy Adamson /* 2697b1f69b75SAndy Adamson * Encode GETDEVICEINFO request 2698b1f69b75SAndy Adamson */ 26999f06c719SChuck Lever static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, 27009f06c719SChuck Lever struct xdr_stream *xdr, 2701b1f69b75SAndy Adamson struct nfs4_getdeviceinfo_args *args) 2702b1f69b75SAndy Adamson { 2703b1f69b75SAndy Adamson struct compound_hdr hdr = { 2704b1f69b75SAndy Adamson .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2705b1f69b75SAndy Adamson }; 2706b1f69b75SAndy Adamson 27079f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 27089f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 27099f06c719SChuck Lever encode_getdeviceinfo(xdr, args, &hdr); 2710b1f69b75SAndy Adamson 2711b1f69b75SAndy Adamson /* set up reply kvec. Subtract notification bitmap max size (2) 2712b1f69b75SAndy Adamson * so that notification bitmap is put in xdr_buf tail */ 2713b1f69b75SAndy Adamson xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, 2714b1f69b75SAndy Adamson args->pdev->pages, args->pdev->pgbase, 2715b1f69b75SAndy Adamson args->pdev->pglen); 2716b1f69b75SAndy Adamson 2717b1f69b75SAndy Adamson encode_nops(&hdr); 2718b1f69b75SAndy Adamson } 2719b1f69b75SAndy Adamson 2720b1f69b75SAndy Adamson /* 2721b1f69b75SAndy Adamson * Encode LAYOUTGET request 2722b1f69b75SAndy Adamson */ 27239f06c719SChuck Lever static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, 27249f06c719SChuck Lever struct xdr_stream *xdr, 2725b1f69b75SAndy Adamson struct nfs4_layoutget_args *args) 2726b1f69b75SAndy Adamson { 2727b1f69b75SAndy Adamson struct compound_hdr hdr = { 2728b1f69b75SAndy Adamson .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2729b1f69b75SAndy Adamson }; 2730b1f69b75SAndy Adamson 27319f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 27329f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 27339f06c719SChuck Lever encode_putfh(xdr, NFS_FH(args->inode), &hdr); 27349f06c719SChuck Lever encode_layoutget(xdr, args, &hdr); 273535124a09SWeston Andros Adamson 273635124a09SWeston Andros Adamson xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, 273735124a09SWeston Andros Adamson args->layout.pages, 0, args->layout.pglen); 273835124a09SWeston Andros Adamson 2739b1f69b75SAndy Adamson encode_nops(&hdr); 2740b1f69b75SAndy Adamson } 2741863a3c6cSAndy Adamson 2742863a3c6cSAndy Adamson /* 2743863a3c6cSAndy Adamson * Encode LAYOUTCOMMIT request 2744863a3c6cSAndy Adamson */ 2745cbe82603SBenny Halevy static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, 2746863a3c6cSAndy Adamson struct xdr_stream *xdr, 2747863a3c6cSAndy Adamson struct nfs4_layoutcommit_args *args) 2748863a3c6cSAndy Adamson { 2749863a3c6cSAndy Adamson struct compound_hdr hdr = { 2750863a3c6cSAndy Adamson .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2751863a3c6cSAndy Adamson }; 2752863a3c6cSAndy Adamson 2753863a3c6cSAndy Adamson encode_compound_hdr(xdr, req, &hdr); 2754863a3c6cSAndy Adamson encode_sequence(xdr, &args->seq_args, &hdr); 2755863a3c6cSAndy Adamson encode_putfh(xdr, NFS_FH(args->inode), &hdr); 2756863a3c6cSAndy Adamson encode_layoutcommit(xdr, args, &hdr); 2757863a3c6cSAndy Adamson encode_getfattr(xdr, args->bitmask, &hdr); 2758863a3c6cSAndy Adamson encode_nops(&hdr); 2759cbe82603SBenny Halevy } 2760cbe82603SBenny Halevy 2761cbe82603SBenny Halevy /* 2762cbe82603SBenny Halevy * Encode LAYOUTRETURN request 2763cbe82603SBenny Halevy */ 2764cbe82603SBenny Halevy static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, 2765cbe82603SBenny Halevy struct xdr_stream *xdr, 2766cbe82603SBenny Halevy struct nfs4_layoutreturn_args *args) 2767cbe82603SBenny Halevy { 2768cbe82603SBenny Halevy struct compound_hdr hdr = { 2769cbe82603SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 2770cbe82603SBenny Halevy }; 2771cbe82603SBenny Halevy 2772cbe82603SBenny Halevy encode_compound_hdr(xdr, req, &hdr); 2773cbe82603SBenny Halevy encode_sequence(xdr, &args->seq_args, &hdr); 2774cbe82603SBenny Halevy encode_putfh(xdr, NFS_FH(args->inode), &hdr); 2775cbe82603SBenny Halevy encode_layoutreturn(xdr, args, &hdr); 2776cbe82603SBenny Halevy encode_nops(&hdr); 2777863a3c6cSAndy Adamson } 277899fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 277999fe60d0SBenny Halevy 2780686841b3SBenny Halevy static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) 2781686841b3SBenny Halevy { 2782686841b3SBenny Halevy dprintk("nfs: %s: prematurely hit end of receive buffer. " 2783686841b3SBenny Halevy "Remaining buffer length is %tu words.\n", 2784686841b3SBenny Halevy func, xdr->end - xdr->p); 2785686841b3SBenny Halevy } 27861da177e4SLinus Torvalds 2787683b57b4STrond Myklebust static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) 27881da177e4SLinus Torvalds { 27898687b63aSAl Viro __be32 *p; 27901da177e4SLinus Torvalds 2791c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 2792c0eae66eSBenny Halevy if (unlikely(!p)) 2793c0eae66eSBenny Halevy goto out_overflow; 2794cccddf4fSBenny Halevy *len = be32_to_cpup(p); 2795c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, *len); 2796c0eae66eSBenny Halevy if (unlikely(!p)) 2797c0eae66eSBenny Halevy goto out_overflow; 27981da177e4SLinus Torvalds *string = (char *)p; 27991da177e4SLinus Torvalds return 0; 2800c0eae66eSBenny Halevy out_overflow: 2801c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2802c0eae66eSBenny Halevy return -EIO; 28031da177e4SLinus Torvalds } 28041da177e4SLinus Torvalds 28051da177e4SLinus Torvalds static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) 28061da177e4SLinus Torvalds { 28078687b63aSAl Viro __be32 *p; 28081da177e4SLinus Torvalds 2809c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 2810c0eae66eSBenny Halevy if (unlikely(!p)) 2811c0eae66eSBenny Halevy goto out_overflow; 28126f723f77SBenny Halevy hdr->status = be32_to_cpup(p++); 2813cccddf4fSBenny Halevy hdr->taglen = be32_to_cpup(p); 28141da177e4SLinus Torvalds 2815c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, hdr->taglen + 4); 2816c0eae66eSBenny Halevy if (unlikely(!p)) 2817c0eae66eSBenny Halevy goto out_overflow; 28181da177e4SLinus Torvalds hdr->tag = (char *)p; 28191da177e4SLinus Torvalds p += XDR_QUADLEN(hdr->taglen); 2820cccddf4fSBenny Halevy hdr->nops = be32_to_cpup(p); 2821aadf6152SBenny Halevy if (unlikely(hdr->nops < 1)) 2822aadf6152SBenny Halevy return nfs4_stat_to_errno(hdr->status); 28231da177e4SLinus Torvalds return 0; 2824c0eae66eSBenny Halevy out_overflow: 2825c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2826c0eae66eSBenny Halevy return -EIO; 28271da177e4SLinus Torvalds } 28281da177e4SLinus Torvalds 28291da177e4SLinus Torvalds static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) 28301da177e4SLinus Torvalds { 28318687b63aSAl Viro __be32 *p; 28321da177e4SLinus Torvalds uint32_t opnum; 28331da177e4SLinus Torvalds int32_t nfserr; 28341da177e4SLinus Torvalds 2835c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 2836c0eae66eSBenny Halevy if (unlikely(!p)) 2837c0eae66eSBenny Halevy goto out_overflow; 28386f723f77SBenny Halevy opnum = be32_to_cpup(p++); 28391da177e4SLinus Torvalds if (opnum != expected) { 2840fe82a183SChuck Lever dprintk("nfs: Server returned operation" 28411da177e4SLinus Torvalds " %d but we issued a request for %d\n", 28421da177e4SLinus Torvalds opnum, expected); 28431da177e4SLinus Torvalds return -EIO; 28441da177e4SLinus Torvalds } 2845cccddf4fSBenny Halevy nfserr = be32_to_cpup(p); 28461da177e4SLinus Torvalds if (nfserr != NFS_OK) 2847856dff3dSBenny Halevy return nfs4_stat_to_errno(nfserr); 28481da177e4SLinus Torvalds return 0; 2849c0eae66eSBenny Halevy out_overflow: 2850c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2851c0eae66eSBenny Halevy return -EIO; 28521da177e4SLinus Torvalds } 28531da177e4SLinus Torvalds 28541da177e4SLinus Torvalds /* Dummy routine */ 2855adfa6f98SDavid Howells static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) 28561da177e4SLinus Torvalds { 28578687b63aSAl Viro __be32 *p; 2858683b57b4STrond Myklebust unsigned int strlen; 28591da177e4SLinus Torvalds char *str; 28601da177e4SLinus Torvalds 2861c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 12); 2862c0eae66eSBenny Halevy if (likely(p)) 28631da177e4SLinus Torvalds return decode_opaque_inline(xdr, &strlen, &str); 2864c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2865c0eae66eSBenny Halevy return -EIO; 28661da177e4SLinus Torvalds } 28671da177e4SLinus Torvalds 28681da177e4SLinus Torvalds static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) 28691da177e4SLinus Torvalds { 28708687b63aSAl Viro uint32_t bmlen; 28718687b63aSAl Viro __be32 *p; 28721da177e4SLinus Torvalds 2873c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 2874c0eae66eSBenny Halevy if (unlikely(!p)) 2875c0eae66eSBenny Halevy goto out_overflow; 2876cccddf4fSBenny Halevy bmlen = be32_to_cpup(p); 28771da177e4SLinus Torvalds 28781da177e4SLinus Torvalds bitmap[0] = bitmap[1] = 0; 2879c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, (bmlen << 2)); 2880c0eae66eSBenny Halevy if (unlikely(!p)) 2881c0eae66eSBenny Halevy goto out_overflow; 28821da177e4SLinus Torvalds if (bmlen > 0) { 28836f723f77SBenny Halevy bitmap[0] = be32_to_cpup(p++); 28841da177e4SLinus Torvalds if (bmlen > 1) 2885cccddf4fSBenny Halevy bitmap[1] = be32_to_cpup(p); 28861da177e4SLinus Torvalds } 28871da177e4SLinus Torvalds return 0; 2888c0eae66eSBenny Halevy out_overflow: 2889c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2890c0eae66eSBenny Halevy return -EIO; 28911da177e4SLinus Torvalds } 28921da177e4SLinus Torvalds 28938687b63aSAl Viro static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) 28941da177e4SLinus Torvalds { 28958687b63aSAl Viro __be32 *p; 28961da177e4SLinus Torvalds 2897c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 2898c0eae66eSBenny Halevy if (unlikely(!p)) 2899c0eae66eSBenny Halevy goto out_overflow; 2900cccddf4fSBenny Halevy *attrlen = be32_to_cpup(p); 29011da177e4SLinus Torvalds *savep = xdr->p; 29021da177e4SLinus Torvalds return 0; 2903c0eae66eSBenny Halevy out_overflow: 2904c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2905c0eae66eSBenny Halevy return -EIO; 29061da177e4SLinus Torvalds } 29071da177e4SLinus Torvalds 29081da177e4SLinus Torvalds static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) 29091da177e4SLinus Torvalds { 29101da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { 29113388bff5SRoman Borisov int ret; 29123388bff5SRoman Borisov ret = decode_attr_bitmap(xdr, bitmask); 29133388bff5SRoman Borisov if (unlikely(ret < 0)) 29143388bff5SRoman Borisov return ret; 29151da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; 29161da177e4SLinus Torvalds } else 29171da177e4SLinus Torvalds bitmask[0] = bitmask[1] = 0; 291844109241SFred Isaman dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); 29191da177e4SLinus Torvalds return 0; 29201da177e4SLinus Torvalds } 29211da177e4SLinus Torvalds 29221da177e4SLinus Torvalds static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) 29231da177e4SLinus Torvalds { 29248687b63aSAl Viro __be32 *p; 2925409924e4STrond Myklebust int ret = 0; 29261da177e4SLinus Torvalds 29271da177e4SLinus Torvalds *type = 0; 29281da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) 29291da177e4SLinus Torvalds return -EIO; 29301da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { 2931c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 2932c0eae66eSBenny Halevy if (unlikely(!p)) 2933c0eae66eSBenny Halevy goto out_overflow; 2934cccddf4fSBenny Halevy *type = be32_to_cpup(p); 29351da177e4SLinus Torvalds if (*type < NF4REG || *type > NF4NAMEDATTR) { 29363110ff80SHarvey Harrison dprintk("%s: bad type %d\n", __func__, *type); 29371da177e4SLinus Torvalds return -EIO; 29381da177e4SLinus Torvalds } 29391da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_TYPE; 2940409924e4STrond Myklebust ret = NFS_ATTR_FATTR_TYPE; 29411da177e4SLinus Torvalds } 2942bca79478STrond Myklebust dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); 2943409924e4STrond Myklebust return ret; 2944c0eae66eSBenny Halevy out_overflow: 2945c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2946c0eae66eSBenny Halevy return -EIO; 29471da177e4SLinus Torvalds } 29481da177e4SLinus Torvalds 29491da177e4SLinus Torvalds static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) 29501da177e4SLinus Torvalds { 29518687b63aSAl Viro __be32 *p; 2952409924e4STrond Myklebust int ret = 0; 29531da177e4SLinus Torvalds 29541da177e4SLinus Torvalds *change = 0; 29551da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) 29561da177e4SLinus Torvalds return -EIO; 29571da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { 2958c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 2959c0eae66eSBenny Halevy if (unlikely(!p)) 2960c0eae66eSBenny Halevy goto out_overflow; 2961cccddf4fSBenny Halevy xdr_decode_hyper(p, change); 29621da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_CHANGE; 2963409924e4STrond Myklebust ret = NFS_ATTR_FATTR_CHANGE; 29641da177e4SLinus Torvalds } 29653110ff80SHarvey Harrison dprintk("%s: change attribute=%Lu\n", __func__, 29661da177e4SLinus Torvalds (unsigned long long)*change); 2967409924e4STrond Myklebust return ret; 2968c0eae66eSBenny Halevy out_overflow: 2969c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2970c0eae66eSBenny Halevy return -EIO; 29711da177e4SLinus Torvalds } 29721da177e4SLinus Torvalds 29731da177e4SLinus Torvalds static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) 29741da177e4SLinus Torvalds { 29758687b63aSAl Viro __be32 *p; 2976409924e4STrond Myklebust int ret = 0; 29771da177e4SLinus Torvalds 29781da177e4SLinus Torvalds *size = 0; 29791da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) 29801da177e4SLinus Torvalds return -EIO; 29811da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { 2982c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 2983c0eae66eSBenny Halevy if (unlikely(!p)) 2984c0eae66eSBenny Halevy goto out_overflow; 2985cccddf4fSBenny Halevy xdr_decode_hyper(p, size); 29861da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SIZE; 2987409924e4STrond Myklebust ret = NFS_ATTR_FATTR_SIZE; 29881da177e4SLinus Torvalds } 29893110ff80SHarvey Harrison dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); 2990409924e4STrond Myklebust return ret; 2991c0eae66eSBenny Halevy out_overflow: 2992c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 2993c0eae66eSBenny Halevy return -EIO; 29941da177e4SLinus Torvalds } 29951da177e4SLinus Torvalds 29961da177e4SLinus Torvalds static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 29971da177e4SLinus Torvalds { 29988687b63aSAl Viro __be32 *p; 29991da177e4SLinus Torvalds 30001da177e4SLinus Torvalds *res = 0; 30011da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) 30021da177e4SLinus Torvalds return -EIO; 30031da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { 3004c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3005c0eae66eSBenny Halevy if (unlikely(!p)) 3006c0eae66eSBenny Halevy goto out_overflow; 3007cccddf4fSBenny Halevy *res = be32_to_cpup(p); 30081da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; 30091da177e4SLinus Torvalds } 30103110ff80SHarvey Harrison dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); 30111da177e4SLinus Torvalds return 0; 3012c0eae66eSBenny Halevy out_overflow: 3013c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3014c0eae66eSBenny Halevy return -EIO; 30151da177e4SLinus Torvalds } 30161da177e4SLinus Torvalds 30171da177e4SLinus Torvalds static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 30181da177e4SLinus Torvalds { 30198687b63aSAl Viro __be32 *p; 30201da177e4SLinus Torvalds 30211da177e4SLinus Torvalds *res = 0; 30221da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) 30231da177e4SLinus Torvalds return -EIO; 30241da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { 3025c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3026c0eae66eSBenny Halevy if (unlikely(!p)) 3027c0eae66eSBenny Halevy goto out_overflow; 3028cccddf4fSBenny Halevy *res = be32_to_cpup(p); 30291da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; 30301da177e4SLinus Torvalds } 30313110ff80SHarvey Harrison dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); 30321da177e4SLinus Torvalds return 0; 3033c0eae66eSBenny Halevy out_overflow: 3034c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3035c0eae66eSBenny Halevy return -EIO; 30361da177e4SLinus Torvalds } 30371da177e4SLinus Torvalds 30388b4bdcf8STrond Myklebust static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) 30391da177e4SLinus Torvalds { 30408687b63aSAl Viro __be32 *p; 3041409924e4STrond Myklebust int ret = 0; 30421da177e4SLinus Torvalds 30431da177e4SLinus Torvalds fsid->major = 0; 30441da177e4SLinus Torvalds fsid->minor = 0; 30451da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) 30461da177e4SLinus Torvalds return -EIO; 30471da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { 3048c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 16); 3049c0eae66eSBenny Halevy if (unlikely(!p)) 3050c0eae66eSBenny Halevy goto out_overflow; 30513ceb4dbbSBenny Halevy p = xdr_decode_hyper(p, &fsid->major); 3052cccddf4fSBenny Halevy xdr_decode_hyper(p, &fsid->minor); 30531da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FSID; 3054409924e4STrond Myklebust ret = NFS_ATTR_FATTR_FSID; 30551da177e4SLinus Torvalds } 30563110ff80SHarvey Harrison dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, 30571da177e4SLinus Torvalds (unsigned long long)fsid->major, 30581da177e4SLinus Torvalds (unsigned long long)fsid->minor); 3059409924e4STrond Myklebust return ret; 3060c0eae66eSBenny Halevy out_overflow: 3061c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3062c0eae66eSBenny Halevy return -EIO; 30631da177e4SLinus Torvalds } 30641da177e4SLinus Torvalds 30651da177e4SLinus Torvalds static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 30661da177e4SLinus Torvalds { 30678687b63aSAl Viro __be32 *p; 30681da177e4SLinus Torvalds 30691da177e4SLinus Torvalds *res = 60; 30701da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) 30711da177e4SLinus Torvalds return -EIO; 30721da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { 3073c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3074c0eae66eSBenny Halevy if (unlikely(!p)) 3075c0eae66eSBenny Halevy goto out_overflow; 3076cccddf4fSBenny Halevy *res = be32_to_cpup(p); 30771da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; 30781da177e4SLinus Torvalds } 30793110ff80SHarvey Harrison dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); 30801da177e4SLinus Torvalds return 0; 3081c0eae66eSBenny Halevy out_overflow: 3082c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3083c0eae66eSBenny Halevy return -EIO; 30841da177e4SLinus Torvalds } 30851da177e4SLinus Torvalds 3086ae42c70aSBryan Schumaker static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) 3087ae42c70aSBryan Schumaker { 3088ae42c70aSBryan Schumaker __be32 *p; 3089ae42c70aSBryan Schumaker 3090ae42c70aSBryan Schumaker if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) 3091ae42c70aSBryan Schumaker return -EIO; 3092ae42c70aSBryan Schumaker if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { 3093ae42c70aSBryan Schumaker p = xdr_inline_decode(xdr, 4); 3094ae42c70aSBryan Schumaker if (unlikely(!p)) 3095ae42c70aSBryan Schumaker goto out_overflow; 3096ae42c70aSBryan Schumaker bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; 30977ebb9315SBryan Schumaker return -be32_to_cpup(p); 3098ae42c70aSBryan Schumaker } 3099ae42c70aSBryan Schumaker return 0; 3100ae42c70aSBryan Schumaker out_overflow: 3101ae42c70aSBryan Schumaker print_overflow_msg(__func__, xdr); 3102ae42c70aSBryan Schumaker return -EIO; 3103ae42c70aSBryan Schumaker } 3104ae42c70aSBryan Schumaker 3105ae42c70aSBryan Schumaker static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) 3106ae42c70aSBryan Schumaker { 3107ae42c70aSBryan Schumaker __be32 *p; 3108ae42c70aSBryan Schumaker int len; 3109ae42c70aSBryan Schumaker 31107ad07353STrond Myklebust if (fh != NULL) 3111ae42c70aSBryan Schumaker memset(fh, 0, sizeof(*fh)); 3112ae42c70aSBryan Schumaker 3113ae42c70aSBryan Schumaker if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) 3114ae42c70aSBryan Schumaker return -EIO; 3115ae42c70aSBryan Schumaker if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { 3116ae42c70aSBryan Schumaker p = xdr_inline_decode(xdr, 4); 3117ae42c70aSBryan Schumaker if (unlikely(!p)) 3118ae42c70aSBryan Schumaker goto out_overflow; 3119ae42c70aSBryan Schumaker len = be32_to_cpup(p); 3120ae42c70aSBryan Schumaker if (len > NFS4_FHSIZE) 3121ae42c70aSBryan Schumaker return -EIO; 3122ae42c70aSBryan Schumaker p = xdr_inline_decode(xdr, len); 3123ae42c70aSBryan Schumaker if (unlikely(!p)) 3124ae42c70aSBryan Schumaker goto out_overflow; 31257ad07353STrond Myklebust if (fh != NULL) { 3126ae42c70aSBryan Schumaker memcpy(fh->data, p, len); 31277ad07353STrond Myklebust fh->size = len; 31287ad07353STrond Myklebust } 3129ae42c70aSBryan Schumaker bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; 3130ae42c70aSBryan Schumaker } 3131ae42c70aSBryan Schumaker return 0; 3132ae42c70aSBryan Schumaker out_overflow: 3133ae42c70aSBryan Schumaker print_overflow_msg(__func__, xdr); 3134ae42c70aSBryan Schumaker return -EIO; 3135ae42c70aSBryan Schumaker } 3136ae42c70aSBryan Schumaker 31371da177e4SLinus Torvalds static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 31381da177e4SLinus Torvalds { 31398687b63aSAl Viro __be32 *p; 31401da177e4SLinus Torvalds 31411da177e4SLinus Torvalds *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; 31421da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) 31431da177e4SLinus Torvalds return -EIO; 31441da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { 3145c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3146c0eae66eSBenny Halevy if (unlikely(!p)) 3147c0eae66eSBenny Halevy goto out_overflow; 3148cccddf4fSBenny Halevy *res = be32_to_cpup(p); 31491da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; 31501da177e4SLinus Torvalds } 31513110ff80SHarvey Harrison dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); 31521da177e4SLinus Torvalds return 0; 3153c0eae66eSBenny Halevy out_overflow: 3154c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3155c0eae66eSBenny Halevy return -EIO; 31561da177e4SLinus Torvalds } 31571da177e4SLinus Torvalds 31581da177e4SLinus Torvalds static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 31591da177e4SLinus Torvalds { 31608687b63aSAl Viro __be32 *p; 3161409924e4STrond Myklebust int ret = 0; 31621da177e4SLinus Torvalds 31631da177e4SLinus Torvalds *fileid = 0; 31641da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) 31651da177e4SLinus Torvalds return -EIO; 31661da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { 3167c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3168c0eae66eSBenny Halevy if (unlikely(!p)) 3169c0eae66eSBenny Halevy goto out_overflow; 3170cccddf4fSBenny Halevy xdr_decode_hyper(p, fileid); 31711da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILEID; 3172409924e4STrond Myklebust ret = NFS_ATTR_FATTR_FILEID; 31731da177e4SLinus Torvalds } 31743110ff80SHarvey Harrison dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 3175409924e4STrond Myklebust return ret; 3176c0eae66eSBenny Halevy out_overflow: 3177c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3178c0eae66eSBenny Halevy return -EIO; 31791da177e4SLinus Torvalds } 31801da177e4SLinus Torvalds 318199baf625SManoj Naik static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 318299baf625SManoj Naik { 31838687b63aSAl Viro __be32 *p; 3184409924e4STrond Myklebust int ret = 0; 318599baf625SManoj Naik 318699baf625SManoj Naik *fileid = 0; 318799baf625SManoj Naik if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) 318899baf625SManoj Naik return -EIO; 318999baf625SManoj Naik if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { 3190c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3191c0eae66eSBenny Halevy if (unlikely(!p)) 3192c0eae66eSBenny Halevy goto out_overflow; 3193cccddf4fSBenny Halevy xdr_decode_hyper(p, fileid); 319499baf625SManoj Naik bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 319528331a46STrond Myklebust ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; 319699baf625SManoj Naik } 31973110ff80SHarvey Harrison dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 3198409924e4STrond Myklebust return ret; 3199c0eae66eSBenny Halevy out_overflow: 3200c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3201c0eae66eSBenny Halevy return -EIO; 320299baf625SManoj Naik } 320399baf625SManoj Naik 32041da177e4SLinus Torvalds static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 32051da177e4SLinus Torvalds { 32068687b63aSAl Viro __be32 *p; 32071da177e4SLinus Torvalds int status = 0; 32081da177e4SLinus Torvalds 32091da177e4SLinus Torvalds *res = 0; 32101da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) 32111da177e4SLinus Torvalds return -EIO; 32121da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { 3213c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3214c0eae66eSBenny Halevy if (unlikely(!p)) 3215c0eae66eSBenny Halevy goto out_overflow; 3216cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 32171da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; 32181da177e4SLinus Torvalds } 32193110ff80SHarvey Harrison dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); 32201da177e4SLinus Torvalds return status; 3221c0eae66eSBenny Halevy out_overflow: 3222c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3223c0eae66eSBenny Halevy return -EIO; 32241da177e4SLinus Torvalds } 32251da177e4SLinus Torvalds 32261da177e4SLinus Torvalds static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 32271da177e4SLinus Torvalds { 32288687b63aSAl Viro __be32 *p; 32291da177e4SLinus Torvalds int status = 0; 32301da177e4SLinus Torvalds 32311da177e4SLinus Torvalds *res = 0; 32321da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) 32331da177e4SLinus Torvalds return -EIO; 32341da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { 3235c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3236c0eae66eSBenny Halevy if (unlikely(!p)) 3237c0eae66eSBenny Halevy goto out_overflow; 3238cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 32391da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; 32401da177e4SLinus Torvalds } 32413110ff80SHarvey Harrison dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); 32421da177e4SLinus Torvalds return status; 3243c0eae66eSBenny Halevy out_overflow: 3244c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3245c0eae66eSBenny Halevy return -EIO; 32461da177e4SLinus Torvalds } 32471da177e4SLinus Torvalds 32481da177e4SLinus Torvalds static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 32491da177e4SLinus Torvalds { 32508687b63aSAl Viro __be32 *p; 32511da177e4SLinus Torvalds int status = 0; 32521da177e4SLinus Torvalds 32531da177e4SLinus Torvalds *res = 0; 32541da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) 32551da177e4SLinus Torvalds return -EIO; 32561da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { 3257c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3258c0eae66eSBenny Halevy if (unlikely(!p)) 3259c0eae66eSBenny Halevy goto out_overflow; 3260cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 32611da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; 32621da177e4SLinus Torvalds } 32633110ff80SHarvey Harrison dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); 32641da177e4SLinus Torvalds return status; 3265c0eae66eSBenny Halevy out_overflow: 3266c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3267c0eae66eSBenny Halevy return -EIO; 32681da177e4SLinus Torvalds } 32691da177e4SLinus Torvalds 32707aaa0b3bSManoj Naik static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) 32717aaa0b3bSManoj Naik { 3272464ad6b1SChuck Lever u32 n; 32738687b63aSAl Viro __be32 *p; 32747aaa0b3bSManoj Naik int status = 0; 32757aaa0b3bSManoj Naik 3276c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3277c0eae66eSBenny Halevy if (unlikely(!p)) 3278c0eae66eSBenny Halevy goto out_overflow; 3279cccddf4fSBenny Halevy n = be32_to_cpup(p); 328033a43f28SAndy Adamson if (n == 0) 328133a43f28SAndy Adamson goto root_path; 32827aaa0b3bSManoj Naik dprintk("path "); 32837aaa0b3bSManoj Naik path->ncomponents = 0; 32847aaa0b3bSManoj Naik while (path->ncomponents < n) { 32857aaa0b3bSManoj Naik struct nfs4_string *component = &path->components[path->ncomponents]; 32867aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &component->len, &component->data); 32877aaa0b3bSManoj Naik if (unlikely(status != 0)) 32887aaa0b3bSManoj Naik goto out_eio; 32897aaa0b3bSManoj Naik if (path->ncomponents != n) 32907aaa0b3bSManoj Naik dprintk("/"); 32917aaa0b3bSManoj Naik dprintk("%s", component->data); 32927aaa0b3bSManoj Naik if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) 32937aaa0b3bSManoj Naik path->ncomponents++; 32947aaa0b3bSManoj Naik else { 32957aaa0b3bSManoj Naik dprintk("cannot parse %d components in path\n", n); 32967aaa0b3bSManoj Naik goto out_eio; 32977aaa0b3bSManoj Naik } 32987aaa0b3bSManoj Naik } 32997aaa0b3bSManoj Naik out: 33007aaa0b3bSManoj Naik dprintk("\n"); 33017aaa0b3bSManoj Naik return status; 330233a43f28SAndy Adamson root_path: 330333a43f28SAndy Adamson /* a root pathname is sent as a zero component4 */ 330433a43f28SAndy Adamson path->ncomponents = 1; 330533a43f28SAndy Adamson path->components[0].len=0; 330633a43f28SAndy Adamson path->components[0].data=NULL; 330733a43f28SAndy Adamson dprintk("path /\n"); 330833a43f28SAndy Adamson goto out; 33097aaa0b3bSManoj Naik out_eio: 33107aaa0b3bSManoj Naik dprintk(" status %d", status); 33117aaa0b3bSManoj Naik status = -EIO; 33127aaa0b3bSManoj Naik goto out; 3313c0eae66eSBenny Halevy out_overflow: 3314c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3315c0eae66eSBenny Halevy return -EIO; 33167aaa0b3bSManoj Naik } 33177aaa0b3bSManoj Naik 33187aaa0b3bSManoj Naik static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) 3319683b57b4STrond Myklebust { 3320683b57b4STrond Myklebust int n; 33218687b63aSAl Viro __be32 *p; 3322683b57b4STrond Myklebust int status = -EIO; 3323683b57b4STrond Myklebust 3324683b57b4STrond Myklebust if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) 3325683b57b4STrond Myklebust goto out; 3326683b57b4STrond Myklebust status = 0; 3327683b57b4STrond Myklebust if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) 3328683b57b4STrond Myklebust goto out; 33293110ff80SHarvey Harrison dprintk("%s: fsroot ", __func__); 33307aaa0b3bSManoj Naik status = decode_pathname(xdr, &res->fs_path); 3331683b57b4STrond Myklebust if (unlikely(status != 0)) 3332683b57b4STrond Myklebust goto out; 3333c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3334c0eae66eSBenny Halevy if (unlikely(!p)) 3335c0eae66eSBenny Halevy goto out_overflow; 3336cccddf4fSBenny Halevy n = be32_to_cpup(p); 3337683b57b4STrond Myklebust if (n <= 0) 3338683b57b4STrond Myklebust goto out_eio; 3339683b57b4STrond Myklebust res->nlocations = 0; 3340683b57b4STrond Myklebust while (res->nlocations < n) { 3341464ad6b1SChuck Lever u32 m; 33427aaa0b3bSManoj Naik struct nfs4_fs_location *loc = &res->locations[res->nlocations]; 3343683b57b4STrond Myklebust 3344c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3345c0eae66eSBenny Halevy if (unlikely(!p)) 3346c0eae66eSBenny Halevy goto out_overflow; 3347cccddf4fSBenny Halevy m = be32_to_cpup(p); 33487aaa0b3bSManoj Naik 33497aaa0b3bSManoj Naik loc->nservers = 0; 33503110ff80SHarvey Harrison dprintk("%s: servers ", __func__); 33517aaa0b3bSManoj Naik while (loc->nservers < m) { 33527aaa0b3bSManoj Naik struct nfs4_string *server = &loc->servers[loc->nservers]; 33537aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &server->len, &server->data); 3354683b57b4STrond Myklebust if (unlikely(status != 0)) 3355683b57b4STrond Myklebust goto out_eio; 33567aaa0b3bSManoj Naik dprintk("%s ", server->data); 33577aaa0b3bSManoj Naik if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) 33587aaa0b3bSManoj Naik loc->nservers++; 33597aaa0b3bSManoj Naik else { 3360464ad6b1SChuck Lever unsigned int i; 3361464ad6b1SChuck Lever dprintk("%s: using first %u of %u servers " 3362464ad6b1SChuck Lever "returned for location %u\n", 33633110ff80SHarvey Harrison __func__, 3364464ad6b1SChuck Lever NFS4_FS_LOCATION_MAXSERVERS, 3365464ad6b1SChuck Lever m, res->nlocations); 33667aaa0b3bSManoj Naik for (i = loc->nservers; i < m; i++) { 33672e42c3e2STrond Myklebust unsigned int len; 33687aaa0b3bSManoj Naik char *data; 33697aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &len, &data); 3370683b57b4STrond Myklebust if (unlikely(status != 0)) 3371683b57b4STrond Myklebust goto out_eio; 33727aaa0b3bSManoj Naik } 33737aaa0b3bSManoj Naik } 33747aaa0b3bSManoj Naik } 33757aaa0b3bSManoj Naik status = decode_pathname(xdr, &loc->rootpath); 33767aaa0b3bSManoj Naik if (unlikely(status != 0)) 33777aaa0b3bSManoj Naik goto out_eio; 33787aaa0b3bSManoj Naik if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) 3379683b57b4STrond Myklebust res->nlocations++; 3380683b57b4STrond Myklebust } 3381409924e4STrond Myklebust if (res->nlocations != 0) 3382409924e4STrond Myklebust status = NFS_ATTR_FATTR_V4_REFERRAL; 3383683b57b4STrond Myklebust out: 33843110ff80SHarvey Harrison dprintk("%s: fs_locations done, error = %d\n", __func__, status); 3385683b57b4STrond Myklebust return status; 3386c0eae66eSBenny Halevy out_overflow: 3387c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3388683b57b4STrond Myklebust out_eio: 3389683b57b4STrond Myklebust status = -EIO; 3390683b57b4STrond Myklebust goto out; 3391683b57b4STrond Myklebust } 3392683b57b4STrond Myklebust 33931da177e4SLinus Torvalds static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 33941da177e4SLinus Torvalds { 33958687b63aSAl Viro __be32 *p; 33961da177e4SLinus Torvalds int status = 0; 33971da177e4SLinus Torvalds 33981da177e4SLinus Torvalds *res = 0; 33991da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) 34001da177e4SLinus Torvalds return -EIO; 34011da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { 3402c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3403c0eae66eSBenny Halevy if (unlikely(!p)) 3404c0eae66eSBenny Halevy goto out_overflow; 3405cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 34061da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; 34071da177e4SLinus Torvalds } 34083110ff80SHarvey Harrison dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); 34091da177e4SLinus Torvalds return status; 3410c0eae66eSBenny Halevy out_overflow: 3411c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3412c0eae66eSBenny Halevy return -EIO; 34131da177e4SLinus Torvalds } 34141da177e4SLinus Torvalds 34151da177e4SLinus Torvalds static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) 34161da177e4SLinus Torvalds { 34178687b63aSAl Viro __be32 *p; 34181da177e4SLinus Torvalds int status = 0; 34191da177e4SLinus Torvalds 34201da177e4SLinus Torvalds *maxlink = 1; 34211da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) 34221da177e4SLinus Torvalds return -EIO; 34231da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { 3424c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3425c0eae66eSBenny Halevy if (unlikely(!p)) 3426c0eae66eSBenny Halevy goto out_overflow; 3427cccddf4fSBenny Halevy *maxlink = be32_to_cpup(p); 34281da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXLINK; 34291da177e4SLinus Torvalds } 34303110ff80SHarvey Harrison dprintk("%s: maxlink=%u\n", __func__, *maxlink); 34311da177e4SLinus Torvalds return status; 3432c0eae66eSBenny Halevy out_overflow: 3433c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3434c0eae66eSBenny Halevy return -EIO; 34351da177e4SLinus Torvalds } 34361da177e4SLinus Torvalds 34371da177e4SLinus Torvalds static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) 34381da177e4SLinus Torvalds { 34398687b63aSAl Viro __be32 *p; 34401da177e4SLinus Torvalds int status = 0; 34411da177e4SLinus Torvalds 34421da177e4SLinus Torvalds *maxname = 1024; 34431da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) 34441da177e4SLinus Torvalds return -EIO; 34451da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { 3446c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3447c0eae66eSBenny Halevy if (unlikely(!p)) 3448c0eae66eSBenny Halevy goto out_overflow; 3449cccddf4fSBenny Halevy *maxname = be32_to_cpup(p); 34501da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXNAME; 34511da177e4SLinus Torvalds } 34523110ff80SHarvey Harrison dprintk("%s: maxname=%u\n", __func__, *maxname); 34531da177e4SLinus Torvalds return status; 3454c0eae66eSBenny Halevy out_overflow: 3455c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3456c0eae66eSBenny Halevy return -EIO; 34571da177e4SLinus Torvalds } 34581da177e4SLinus Torvalds 34591da177e4SLinus Torvalds static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 34601da177e4SLinus Torvalds { 34618687b63aSAl Viro __be32 *p; 34621da177e4SLinus Torvalds int status = 0; 34631da177e4SLinus Torvalds 34641da177e4SLinus Torvalds *res = 1024; 34651da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) 34661da177e4SLinus Torvalds return -EIO; 34671da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { 34681da177e4SLinus Torvalds uint64_t maxread; 3469c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3470c0eae66eSBenny Halevy if (unlikely(!p)) 3471c0eae66eSBenny Halevy goto out_overflow; 3472cccddf4fSBenny Halevy xdr_decode_hyper(p, &maxread); 34731da177e4SLinus Torvalds if (maxread > 0x7FFFFFFF) 34741da177e4SLinus Torvalds maxread = 0x7FFFFFFF; 34751da177e4SLinus Torvalds *res = (uint32_t)maxread; 34761da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXREAD; 34771da177e4SLinus Torvalds } 34783110ff80SHarvey Harrison dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); 34791da177e4SLinus Torvalds return status; 3480c0eae66eSBenny Halevy out_overflow: 3481c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3482c0eae66eSBenny Halevy return -EIO; 34831da177e4SLinus Torvalds } 34841da177e4SLinus Torvalds 34851da177e4SLinus Torvalds static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 34861da177e4SLinus Torvalds { 34878687b63aSAl Viro __be32 *p; 34881da177e4SLinus Torvalds int status = 0; 34891da177e4SLinus Torvalds 34901da177e4SLinus Torvalds *res = 1024; 34911da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) 34921da177e4SLinus Torvalds return -EIO; 34931da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { 34941da177e4SLinus Torvalds uint64_t maxwrite; 3495c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3496c0eae66eSBenny Halevy if (unlikely(!p)) 3497c0eae66eSBenny Halevy goto out_overflow; 3498cccddf4fSBenny Halevy xdr_decode_hyper(p, &maxwrite); 34991da177e4SLinus Torvalds if (maxwrite > 0x7FFFFFFF) 35001da177e4SLinus Torvalds maxwrite = 0x7FFFFFFF; 35011da177e4SLinus Torvalds *res = (uint32_t)maxwrite; 35021da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; 35031da177e4SLinus Torvalds } 35043110ff80SHarvey Harrison dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); 35051da177e4SLinus Torvalds return status; 3506c0eae66eSBenny Halevy out_overflow: 3507c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3508c0eae66eSBenny Halevy return -EIO; 35091da177e4SLinus Torvalds } 35101da177e4SLinus Torvalds 3511bca79478STrond Myklebust static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) 35121da177e4SLinus Torvalds { 3513bca79478STrond Myklebust uint32_t tmp; 35148687b63aSAl Viro __be32 *p; 3515409924e4STrond Myklebust int ret = 0; 35161da177e4SLinus Torvalds 35171da177e4SLinus Torvalds *mode = 0; 35181da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) 35191da177e4SLinus Torvalds return -EIO; 35201da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { 3521c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3522c0eae66eSBenny Halevy if (unlikely(!p)) 3523c0eae66eSBenny Halevy goto out_overflow; 3524cccddf4fSBenny Halevy tmp = be32_to_cpup(p); 3525bca79478STrond Myklebust *mode = tmp & ~S_IFMT; 35261da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_MODE; 3527409924e4STrond Myklebust ret = NFS_ATTR_FATTR_MODE; 35281da177e4SLinus Torvalds } 35293110ff80SHarvey Harrison dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); 3530409924e4STrond Myklebust return ret; 3531c0eae66eSBenny Halevy out_overflow: 3532c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3533c0eae66eSBenny Halevy return -EIO; 35341da177e4SLinus Torvalds } 35351da177e4SLinus Torvalds 35361da177e4SLinus Torvalds static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) 35371da177e4SLinus Torvalds { 35388687b63aSAl Viro __be32 *p; 3539409924e4STrond Myklebust int ret = 0; 35401da177e4SLinus Torvalds 35411da177e4SLinus Torvalds *nlink = 1; 35421da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) 35431da177e4SLinus Torvalds return -EIO; 35441da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { 3545c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3546c0eae66eSBenny Halevy if (unlikely(!p)) 3547c0eae66eSBenny Halevy goto out_overflow; 3548cccddf4fSBenny Halevy *nlink = be32_to_cpup(p); 35491da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; 3550409924e4STrond Myklebust ret = NFS_ATTR_FATTR_NLINK; 35511da177e4SLinus Torvalds } 35523110ff80SHarvey Harrison dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); 3553409924e4STrond Myklebust return ret; 3554c0eae66eSBenny Halevy out_overflow: 3555c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3556c0eae66eSBenny Halevy return -EIO; 35571da177e4SLinus Torvalds } 35581da177e4SLinus Torvalds 355980e52aceSTrond Myklebust static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, 3560e4fd72a1STrond Myklebust const struct nfs_server *server, uint32_t *uid, int may_sleep) 35611da177e4SLinus Torvalds { 35628687b63aSAl Viro uint32_t len; 35638687b63aSAl Viro __be32 *p; 3564409924e4STrond Myklebust int ret = 0; 35651da177e4SLinus Torvalds 35661da177e4SLinus Torvalds *uid = -2; 35671da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) 35681da177e4SLinus Torvalds return -EIO; 35691da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { 3570c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3571c0eae66eSBenny Halevy if (unlikely(!p)) 3572c0eae66eSBenny Halevy goto out_overflow; 3573cccddf4fSBenny Halevy len = be32_to_cpup(p); 3574c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, len); 3575c0eae66eSBenny Halevy if (unlikely(!p)) 3576c0eae66eSBenny Halevy goto out_overflow; 357780e52aceSTrond Myklebust if (!may_sleep) { 357880e52aceSTrond Myklebust /* do nothing */ 357980e52aceSTrond Myklebust } else if (len < XDR_MAX_NETOBJ) { 3580e4fd72a1STrond Myklebust if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) 3581409924e4STrond Myklebust ret = NFS_ATTR_FATTR_OWNER; 3582409924e4STrond Myklebust else 35831da177e4SLinus Torvalds dprintk("%s: nfs_map_name_to_uid failed!\n", 35843110ff80SHarvey Harrison __func__); 35851da177e4SLinus Torvalds } else 3586fe82a183SChuck Lever dprintk("%s: name too long (%u)!\n", 35873110ff80SHarvey Harrison __func__, len); 35881da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER; 35891da177e4SLinus Torvalds } 35903110ff80SHarvey Harrison dprintk("%s: uid=%d\n", __func__, (int)*uid); 3591409924e4STrond Myklebust return ret; 3592c0eae66eSBenny Halevy out_overflow: 3593c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3594c0eae66eSBenny Halevy return -EIO; 35951da177e4SLinus Torvalds } 35961da177e4SLinus Torvalds 359780e52aceSTrond Myklebust static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, 3598e4fd72a1STrond Myklebust const struct nfs_server *server, uint32_t *gid, int may_sleep) 35991da177e4SLinus Torvalds { 36008687b63aSAl Viro uint32_t len; 36018687b63aSAl Viro __be32 *p; 3602409924e4STrond Myklebust int ret = 0; 36031da177e4SLinus Torvalds 36041da177e4SLinus Torvalds *gid = -2; 36051da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) 36061da177e4SLinus Torvalds return -EIO; 36071da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { 3608c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3609c0eae66eSBenny Halevy if (unlikely(!p)) 3610c0eae66eSBenny Halevy goto out_overflow; 3611cccddf4fSBenny Halevy len = be32_to_cpup(p); 3612c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, len); 3613c0eae66eSBenny Halevy if (unlikely(!p)) 3614c0eae66eSBenny Halevy goto out_overflow; 361580e52aceSTrond Myklebust if (!may_sleep) { 361680e52aceSTrond Myklebust /* do nothing */ 361780e52aceSTrond Myklebust } else if (len < XDR_MAX_NETOBJ) { 3618e4fd72a1STrond Myklebust if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) 3619409924e4STrond Myklebust ret = NFS_ATTR_FATTR_GROUP; 3620409924e4STrond Myklebust else 36211da177e4SLinus Torvalds dprintk("%s: nfs_map_group_to_gid failed!\n", 36223110ff80SHarvey Harrison __func__); 36231da177e4SLinus Torvalds } else 3624fe82a183SChuck Lever dprintk("%s: name too long (%u)!\n", 36253110ff80SHarvey Harrison __func__, len); 36261da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; 36271da177e4SLinus Torvalds } 36283110ff80SHarvey Harrison dprintk("%s: gid=%d\n", __func__, (int)*gid); 3629409924e4STrond Myklebust return ret; 3630c0eae66eSBenny Halevy out_overflow: 3631c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3632c0eae66eSBenny Halevy return -EIO; 36331da177e4SLinus Torvalds } 36341da177e4SLinus Torvalds 36351da177e4SLinus Torvalds static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) 36361da177e4SLinus Torvalds { 36378687b63aSAl Viro uint32_t major = 0, minor = 0; 36388687b63aSAl Viro __be32 *p; 3639409924e4STrond Myklebust int ret = 0; 36401da177e4SLinus Torvalds 36411da177e4SLinus Torvalds *rdev = MKDEV(0,0); 36421da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) 36431da177e4SLinus Torvalds return -EIO; 36441da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { 36451da177e4SLinus Torvalds dev_t tmp; 36461da177e4SLinus Torvalds 3647c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3648c0eae66eSBenny Halevy if (unlikely(!p)) 3649c0eae66eSBenny Halevy goto out_overflow; 36506f723f77SBenny Halevy major = be32_to_cpup(p++); 3651cccddf4fSBenny Halevy minor = be32_to_cpup(p); 36521da177e4SLinus Torvalds tmp = MKDEV(major, minor); 36531da177e4SLinus Torvalds if (MAJOR(tmp) == major && MINOR(tmp) == minor) 36541da177e4SLinus Torvalds *rdev = tmp; 36551da177e4SLinus Torvalds bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; 3656409924e4STrond Myklebust ret = NFS_ATTR_FATTR_RDEV; 36571da177e4SLinus Torvalds } 36583110ff80SHarvey Harrison dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); 3659409924e4STrond Myklebust return ret; 3660c0eae66eSBenny Halevy out_overflow: 3661c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3662c0eae66eSBenny Halevy return -EIO; 36631da177e4SLinus Torvalds } 36641da177e4SLinus Torvalds 36651da177e4SLinus Torvalds static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 36661da177e4SLinus Torvalds { 36678687b63aSAl Viro __be32 *p; 36681da177e4SLinus Torvalds int status = 0; 36691da177e4SLinus Torvalds 36701da177e4SLinus Torvalds *res = 0; 36711da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) 36721da177e4SLinus Torvalds return -EIO; 36731da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { 3674c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3675c0eae66eSBenny Halevy if (unlikely(!p)) 3676c0eae66eSBenny Halevy goto out_overflow; 3677cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 36781da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; 36791da177e4SLinus Torvalds } 36803110ff80SHarvey Harrison dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); 36811da177e4SLinus Torvalds return status; 3682c0eae66eSBenny Halevy out_overflow: 3683c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3684c0eae66eSBenny Halevy return -EIO; 36851da177e4SLinus Torvalds } 36861da177e4SLinus Torvalds 36871da177e4SLinus Torvalds static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 36881da177e4SLinus Torvalds { 36898687b63aSAl Viro __be32 *p; 36901da177e4SLinus Torvalds int status = 0; 36911da177e4SLinus Torvalds 36921da177e4SLinus Torvalds *res = 0; 36931da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) 36941da177e4SLinus Torvalds return -EIO; 36951da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { 3696c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3697c0eae66eSBenny Halevy if (unlikely(!p)) 3698c0eae66eSBenny Halevy goto out_overflow; 3699cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 37001da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; 37011da177e4SLinus Torvalds } 37023110ff80SHarvey Harrison dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); 37031da177e4SLinus Torvalds return status; 3704c0eae66eSBenny Halevy out_overflow: 3705c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3706c0eae66eSBenny Halevy return -EIO; 37071da177e4SLinus Torvalds } 37081da177e4SLinus Torvalds 37091da177e4SLinus Torvalds static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 37101da177e4SLinus Torvalds { 37118687b63aSAl Viro __be32 *p; 37121da177e4SLinus Torvalds int status = 0; 37131da177e4SLinus Torvalds 37141da177e4SLinus Torvalds *res = 0; 37151da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) 37161da177e4SLinus Torvalds return -EIO; 37171da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { 3718c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3719c0eae66eSBenny Halevy if (unlikely(!p)) 3720c0eae66eSBenny Halevy goto out_overflow; 3721cccddf4fSBenny Halevy xdr_decode_hyper(p, res); 37221da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; 37231da177e4SLinus Torvalds } 37243110ff80SHarvey Harrison dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); 37251da177e4SLinus Torvalds return status; 3726c0eae66eSBenny Halevy out_overflow: 3727c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3728c0eae66eSBenny Halevy return -EIO; 37291da177e4SLinus Torvalds } 37301da177e4SLinus Torvalds 37311da177e4SLinus Torvalds static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) 37321da177e4SLinus Torvalds { 37338687b63aSAl Viro __be32 *p; 3734409924e4STrond Myklebust int ret = 0; 37351da177e4SLinus Torvalds 37361da177e4SLinus Torvalds *used = 0; 37371da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) 37381da177e4SLinus Torvalds return -EIO; 37391da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { 3740c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3741c0eae66eSBenny Halevy if (unlikely(!p)) 3742c0eae66eSBenny Halevy goto out_overflow; 3743cccddf4fSBenny Halevy xdr_decode_hyper(p, used); 37441da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; 3745409924e4STrond Myklebust ret = NFS_ATTR_FATTR_SPACE_USED; 37461da177e4SLinus Torvalds } 37473110ff80SHarvey Harrison dprintk("%s: space used=%Lu\n", __func__, 37481da177e4SLinus Torvalds (unsigned long long)*used); 3749409924e4STrond Myklebust return ret; 3750c0eae66eSBenny Halevy out_overflow: 3751c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3752c0eae66eSBenny Halevy return -EIO; 37531da177e4SLinus Torvalds } 37541da177e4SLinus Torvalds 37551da177e4SLinus Torvalds static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) 37561da177e4SLinus Torvalds { 37578687b63aSAl Viro __be32 *p; 37581da177e4SLinus Torvalds uint64_t sec; 37591da177e4SLinus Torvalds uint32_t nsec; 37601da177e4SLinus Torvalds 3761c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 12); 3762c0eae66eSBenny Halevy if (unlikely(!p)) 3763c0eae66eSBenny Halevy goto out_overflow; 37643ceb4dbbSBenny Halevy p = xdr_decode_hyper(p, &sec); 3765cccddf4fSBenny Halevy nsec = be32_to_cpup(p); 37661da177e4SLinus Torvalds time->tv_sec = (time_t)sec; 37671da177e4SLinus Torvalds time->tv_nsec = (long)nsec; 37681da177e4SLinus Torvalds return 0; 3769c0eae66eSBenny Halevy out_overflow: 3770c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3771c0eae66eSBenny Halevy return -EIO; 37721da177e4SLinus Torvalds } 37731da177e4SLinus Torvalds 37741da177e4SLinus Torvalds static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 37751da177e4SLinus Torvalds { 37761da177e4SLinus Torvalds int status = 0; 37771da177e4SLinus Torvalds 37781da177e4SLinus Torvalds time->tv_sec = 0; 37791da177e4SLinus Torvalds time->tv_nsec = 0; 37801da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) 37811da177e4SLinus Torvalds return -EIO; 37821da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { 37831da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 3784409924e4STrond Myklebust if (status == 0) 3785409924e4STrond Myklebust status = NFS_ATTR_FATTR_ATIME; 37861da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; 37871da177e4SLinus Torvalds } 37883110ff80SHarvey Harrison dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); 37891da177e4SLinus Torvalds return status; 37901da177e4SLinus Torvalds } 37911da177e4SLinus Torvalds 37921da177e4SLinus Torvalds static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 37931da177e4SLinus Torvalds { 37941da177e4SLinus Torvalds int status = 0; 37951da177e4SLinus Torvalds 37961da177e4SLinus Torvalds time->tv_sec = 0; 37971da177e4SLinus Torvalds time->tv_nsec = 0; 37981da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) 37991da177e4SLinus Torvalds return -EIO; 38001da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { 38011da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 3802409924e4STrond Myklebust if (status == 0) 3803409924e4STrond Myklebust status = NFS_ATTR_FATTR_CTIME; 38041da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; 38051da177e4SLinus Torvalds } 38063110ff80SHarvey Harrison dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); 38071da177e4SLinus Torvalds return status; 38081da177e4SLinus Torvalds } 38091da177e4SLinus Torvalds 381055b6e774SRicardo Labiaga static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, 381155b6e774SRicardo Labiaga struct timespec *time) 381255b6e774SRicardo Labiaga { 381355b6e774SRicardo Labiaga int status = 0; 381455b6e774SRicardo Labiaga 381555b6e774SRicardo Labiaga time->tv_sec = 0; 381655b6e774SRicardo Labiaga time->tv_nsec = 0; 381755b6e774SRicardo Labiaga if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) 381855b6e774SRicardo Labiaga return -EIO; 381955b6e774SRicardo Labiaga if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { 382055b6e774SRicardo Labiaga status = decode_attr_time(xdr, time); 382155b6e774SRicardo Labiaga bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; 382255b6e774SRicardo Labiaga } 382355b6e774SRicardo Labiaga dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, 382455b6e774SRicardo Labiaga (long)time->tv_nsec); 382555b6e774SRicardo Labiaga return status; 382655b6e774SRicardo Labiaga } 382755b6e774SRicardo Labiaga 38281da177e4SLinus Torvalds static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 38291da177e4SLinus Torvalds { 38301da177e4SLinus Torvalds int status = 0; 38311da177e4SLinus Torvalds 38321da177e4SLinus Torvalds time->tv_sec = 0; 38331da177e4SLinus Torvalds time->tv_nsec = 0; 38341da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) 38351da177e4SLinus Torvalds return -EIO; 38361da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { 38371da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 3838409924e4STrond Myklebust if (status == 0) 3839409924e4STrond Myklebust status = NFS_ATTR_FATTR_MTIME; 38401da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; 38411da177e4SLinus Torvalds } 38423110ff80SHarvey Harrison dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); 38431da177e4SLinus Torvalds return status; 38441da177e4SLinus Torvalds } 38451da177e4SLinus Torvalds 38468687b63aSAl Viro static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) 38471da177e4SLinus Torvalds { 38481da177e4SLinus Torvalds unsigned int attrwords = XDR_QUADLEN(attrlen); 38491da177e4SLinus Torvalds unsigned int nwords = xdr->p - savep; 38501da177e4SLinus Torvalds 38511da177e4SLinus Torvalds if (unlikely(attrwords != nwords)) { 3852fe82a183SChuck Lever dprintk("%s: server returned incorrect attribute length: " 3853fe82a183SChuck Lever "%u %c %u\n", 38543110ff80SHarvey Harrison __func__, 38551da177e4SLinus Torvalds attrwords << 2, 38561da177e4SLinus Torvalds (attrwords < nwords) ? '<' : '>', 38571da177e4SLinus Torvalds nwords << 2); 38581da177e4SLinus Torvalds return -EIO; 38591da177e4SLinus Torvalds } 38601da177e4SLinus Torvalds return 0; 38611da177e4SLinus Torvalds } 38621da177e4SLinus Torvalds 38631da177e4SLinus Torvalds static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 38641da177e4SLinus Torvalds { 38658687b63aSAl Viro __be32 *p; 38661da177e4SLinus Torvalds 3867c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 20); 3868c0eae66eSBenny Halevy if (unlikely(!p)) 3869c0eae66eSBenny Halevy goto out_overflow; 38706f723f77SBenny Halevy cinfo->atomic = be32_to_cpup(p++); 38713ceb4dbbSBenny Halevy p = xdr_decode_hyper(p, &cinfo->before); 3872cccddf4fSBenny Halevy xdr_decode_hyper(p, &cinfo->after); 38731da177e4SLinus Torvalds return 0; 3874c0eae66eSBenny Halevy out_overflow: 3875c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3876c0eae66eSBenny Halevy return -EIO; 38771da177e4SLinus Torvalds } 38781da177e4SLinus Torvalds 38791da177e4SLinus Torvalds static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) 38801da177e4SLinus Torvalds { 38818687b63aSAl Viro __be32 *p; 38821da177e4SLinus Torvalds uint32_t supp, acc; 38831da177e4SLinus Torvalds int status; 38841da177e4SLinus Torvalds 38851da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_ACCESS); 38861da177e4SLinus Torvalds if (status) 38871da177e4SLinus Torvalds return status; 3888c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 3889c0eae66eSBenny Halevy if (unlikely(!p)) 3890c0eae66eSBenny Halevy goto out_overflow; 38916f723f77SBenny Halevy supp = be32_to_cpup(p++); 3892cccddf4fSBenny Halevy acc = be32_to_cpup(p); 38931da177e4SLinus Torvalds access->supported = supp; 38941da177e4SLinus Torvalds access->access = acc; 38951da177e4SLinus Torvalds return 0; 3896c0eae66eSBenny Halevy out_overflow: 3897c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3898c0eae66eSBenny Halevy return -EIO; 38991da177e4SLinus Torvalds } 39001da177e4SLinus Torvalds 390107d30434SBenny Halevy static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) 39021da177e4SLinus Torvalds { 39038687b63aSAl Viro __be32 *p; 390407d30434SBenny Halevy 390507d30434SBenny Halevy p = xdr_inline_decode(xdr, len); 390607d30434SBenny Halevy if (likely(p)) { 390707d30434SBenny Halevy memcpy(buf, p, len); 390807d30434SBenny Halevy return 0; 390907d30434SBenny Halevy } 391007d30434SBenny Halevy print_overflow_msg(__func__, xdr); 391107d30434SBenny Halevy return -EIO; 391207d30434SBenny Halevy } 391307d30434SBenny Halevy 391407d30434SBenny Halevy static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) 391507d30434SBenny Halevy { 391607d30434SBenny Halevy return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); 39171da177e4SLinus Torvalds } 39181da177e4SLinus Torvalds 39191da177e4SLinus Torvalds static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) 39201da177e4SLinus Torvalds { 39211da177e4SLinus Torvalds int status; 39221da177e4SLinus Torvalds 39231da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CLOSE); 3924c1d51931STrond Myklebust if (status != -EIO) 3925c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 392607d30434SBenny Halevy if (!status) 392707d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 39281da177e4SLinus Torvalds return status; 39291da177e4SLinus Torvalds } 39301da177e4SLinus Torvalds 3931db942bbdSBenny Halevy static int decode_verifier(struct xdr_stream *xdr, void *verifier) 3932db942bbdSBenny Halevy { 3933db942bbdSBenny Halevy return decode_opaque_fixed(xdr, verifier, 8); 39341da177e4SLinus Torvalds } 39351da177e4SLinus Torvalds 39361da177e4SLinus Torvalds static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) 39371da177e4SLinus Torvalds { 39381da177e4SLinus Torvalds int status; 39391da177e4SLinus Torvalds 39401da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_COMMIT); 3941db942bbdSBenny Halevy if (!status) 3942db942bbdSBenny Halevy status = decode_verifier(xdr, res->verf->verifier); 39431da177e4SLinus Torvalds return status; 39441da177e4SLinus Torvalds } 39451da177e4SLinus Torvalds 39461da177e4SLinus Torvalds static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 39471da177e4SLinus Torvalds { 39488687b63aSAl Viro __be32 *p; 39491da177e4SLinus Torvalds uint32_t bmlen; 39501da177e4SLinus Torvalds int status; 39511da177e4SLinus Torvalds 39521da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CREATE); 39531da177e4SLinus Torvalds if (status) 39541da177e4SLinus Torvalds return status; 39551da177e4SLinus Torvalds if ((status = decode_change_info(xdr, cinfo))) 39561da177e4SLinus Torvalds return status; 3957c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 3958c0eae66eSBenny Halevy if (unlikely(!p)) 3959c0eae66eSBenny Halevy goto out_overflow; 3960cccddf4fSBenny Halevy bmlen = be32_to_cpup(p); 3961c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, bmlen << 2); 3962c0eae66eSBenny Halevy if (likely(p)) 39631da177e4SLinus Torvalds return 0; 3964c0eae66eSBenny Halevy out_overflow: 3965c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 3966c0eae66eSBenny Halevy return -EIO; 39671da177e4SLinus Torvalds } 39681da177e4SLinus Torvalds 39691da177e4SLinus Torvalds static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) 39701da177e4SLinus Torvalds { 39718687b63aSAl Viro __be32 *savep; 39726c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 39731da177e4SLinus Torvalds int status; 39741da177e4SLinus Torvalds 39751da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 39761da177e4SLinus Torvalds goto xdr_error; 39771da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 39781da177e4SLinus Torvalds goto xdr_error; 39791da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 39801da177e4SLinus Torvalds goto xdr_error; 39811da177e4SLinus Torvalds if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) 39821da177e4SLinus Torvalds goto xdr_error; 39831da177e4SLinus Torvalds if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) 39841da177e4SLinus Torvalds goto xdr_error; 39851da177e4SLinus Torvalds if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) 39861da177e4SLinus Torvalds goto xdr_error; 39871da177e4SLinus Torvalds if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) 39881da177e4SLinus Torvalds goto xdr_error; 39891da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 39901da177e4SLinus Torvalds xdr_error: 39913110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 39921da177e4SLinus Torvalds return status; 39931da177e4SLinus Torvalds } 39941da177e4SLinus Torvalds 39951da177e4SLinus Torvalds static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) 39961da177e4SLinus Torvalds { 39978687b63aSAl Viro __be32 *savep; 39986c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 39991da177e4SLinus Torvalds int status; 40001da177e4SLinus Torvalds 40011da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 40021da177e4SLinus Torvalds goto xdr_error; 40031da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 40041da177e4SLinus Torvalds goto xdr_error; 40051da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 40061da177e4SLinus Torvalds goto xdr_error; 40071da177e4SLinus Torvalds 40081da177e4SLinus Torvalds if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) 40091da177e4SLinus Torvalds goto xdr_error; 40101da177e4SLinus Torvalds if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) 40111da177e4SLinus Torvalds goto xdr_error; 40121da177e4SLinus Torvalds if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) 40131da177e4SLinus Torvalds goto xdr_error; 40141da177e4SLinus Torvalds if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) 40151da177e4SLinus Torvalds goto xdr_error; 40161da177e4SLinus Torvalds if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) 40171da177e4SLinus Torvalds goto xdr_error; 40181da177e4SLinus Torvalds if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) 40191da177e4SLinus Torvalds goto xdr_error; 40201da177e4SLinus Torvalds 40211da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 40221da177e4SLinus Torvalds xdr_error: 40233110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 40241da177e4SLinus Torvalds return status; 40251da177e4SLinus Torvalds } 40261da177e4SLinus Torvalds 40271da177e4SLinus Torvalds static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) 40281da177e4SLinus Torvalds { 40298687b63aSAl Viro __be32 *savep; 40306c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 40311da177e4SLinus Torvalds int status; 40321da177e4SLinus Torvalds 40331da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 40341da177e4SLinus Torvalds goto xdr_error; 40351da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 40361da177e4SLinus Torvalds goto xdr_error; 40371da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 40381da177e4SLinus Torvalds goto xdr_error; 40391da177e4SLinus Torvalds 40401da177e4SLinus Torvalds if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) 40411da177e4SLinus Torvalds goto xdr_error; 40421da177e4SLinus Torvalds if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) 40431da177e4SLinus Torvalds goto xdr_error; 40441da177e4SLinus Torvalds 40451da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 40461da177e4SLinus Torvalds xdr_error: 40473110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 40481da177e4SLinus Torvalds return status; 40491da177e4SLinus Torvalds } 40501da177e4SLinus Torvalds 4051ae42c70aSBryan Schumaker static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, 4052ae42c70aSBryan Schumaker struct nfs_fattr *fattr, struct nfs_fh *fh, 405380e52aceSTrond Myklebust const struct nfs_server *server, int may_sleep) 40541da177e4SLinus Torvalds { 4055bca79478STrond Myklebust int status; 4056bca79478STrond Myklebust umode_t fmode = 0; 4057ae42c70aSBryan Schumaker uint32_t type; 40581da177e4SLinus Torvalds 4059f26c7a78STrond Myklebust status = decode_attr_type(xdr, bitmap, &type); 4060f26c7a78STrond Myklebust if (status < 0) 40611da177e4SLinus Torvalds goto xdr_error; 4062409924e4STrond Myklebust fattr->mode = 0; 4063409924e4STrond Myklebust if (status != 0) { 4064409924e4STrond Myklebust fattr->mode |= nfs_type2fmt[type]; 4065409924e4STrond Myklebust fattr->valid |= status; 4066409924e4STrond Myklebust } 40671da177e4SLinus Torvalds 4068f26c7a78STrond Myklebust status = decode_attr_change(xdr, bitmap, &fattr->change_attr); 4069f26c7a78STrond Myklebust if (status < 0) 40701da177e4SLinus Torvalds goto xdr_error; 4071409924e4STrond Myklebust fattr->valid |= status; 4072f26c7a78STrond Myklebust 4073f26c7a78STrond Myklebust status = decode_attr_size(xdr, bitmap, &fattr->size); 4074f26c7a78STrond Myklebust if (status < 0) 40751da177e4SLinus Torvalds goto xdr_error; 4076409924e4STrond Myklebust fattr->valid |= status; 4077f26c7a78STrond Myklebust 4078f26c7a78STrond Myklebust status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); 4079f26c7a78STrond Myklebust if (status < 0) 40801da177e4SLinus Torvalds goto xdr_error; 4081409924e4STrond Myklebust fattr->valid |= status; 4082f26c7a78STrond Myklebust 4083ae42c70aSBryan Schumaker status = decode_attr_error(xdr, bitmap); 40847ebb9315SBryan Schumaker if (status == -NFS4ERR_WRONGSEC) { 40857ebb9315SBryan Schumaker nfs_fixup_secinfo_attributes(fattr, fh); 40867ebb9315SBryan Schumaker status = 0; 40877ebb9315SBryan Schumaker } 4088ae42c70aSBryan Schumaker if (status < 0) 4089ae42c70aSBryan Schumaker goto xdr_error; 4090ae42c70aSBryan Schumaker 4091ae42c70aSBryan Schumaker status = decode_attr_filehandle(xdr, bitmap, fh); 4092ae42c70aSBryan Schumaker if (status < 0) 4093ae42c70aSBryan Schumaker goto xdr_error; 4094ae42c70aSBryan Schumaker 4095f26c7a78STrond Myklebust status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); 4096f26c7a78STrond Myklebust if (status < 0) 40971da177e4SLinus Torvalds goto xdr_error; 4098409924e4STrond Myklebust fattr->valid |= status; 4099f26c7a78STrond Myklebust 4100f26c7a78STrond Myklebust status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, 41017aaa0b3bSManoj Naik struct nfs4_fs_locations, 4102f26c7a78STrond Myklebust fattr)); 4103f26c7a78STrond Myklebust if (status < 0) 4104683b57b4STrond Myklebust goto xdr_error; 4105409924e4STrond Myklebust fattr->valid |= status; 4106f26c7a78STrond Myklebust 4107f26c7a78STrond Myklebust status = decode_attr_mode(xdr, bitmap, &fmode); 4108f26c7a78STrond Myklebust if (status < 0) 41091da177e4SLinus Torvalds goto xdr_error; 4110409924e4STrond Myklebust if (status != 0) { 41111da177e4SLinus Torvalds fattr->mode |= fmode; 4112409924e4STrond Myklebust fattr->valid |= status; 4113409924e4STrond Myklebust } 4114f26c7a78STrond Myklebust 4115f26c7a78STrond Myklebust status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); 4116f26c7a78STrond Myklebust if (status < 0) 41171da177e4SLinus Torvalds goto xdr_error; 4118409924e4STrond Myklebust fattr->valid |= status; 4119f26c7a78STrond Myklebust 4120e4fd72a1STrond Myklebust status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep); 4121f26c7a78STrond Myklebust if (status < 0) 41221da177e4SLinus Torvalds goto xdr_error; 4123409924e4STrond Myklebust fattr->valid |= status; 4124f26c7a78STrond Myklebust 4125e4fd72a1STrond Myklebust status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep); 4126f26c7a78STrond Myklebust if (status < 0) 41271da177e4SLinus Torvalds goto xdr_error; 4128409924e4STrond Myklebust fattr->valid |= status; 4129f26c7a78STrond Myklebust 4130f26c7a78STrond Myklebust status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); 4131f26c7a78STrond Myklebust if (status < 0) 41321da177e4SLinus Torvalds goto xdr_error; 4133409924e4STrond Myklebust fattr->valid |= status; 4134f26c7a78STrond Myklebust 4135f26c7a78STrond Myklebust status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); 4136f26c7a78STrond Myklebust if (status < 0) 41371da177e4SLinus Torvalds goto xdr_error; 4138409924e4STrond Myklebust fattr->valid |= status; 4139f26c7a78STrond Myklebust 4140f26c7a78STrond Myklebust status = decode_attr_time_access(xdr, bitmap, &fattr->atime); 4141f26c7a78STrond Myklebust if (status < 0) 41421da177e4SLinus Torvalds goto xdr_error; 4143409924e4STrond Myklebust fattr->valid |= status; 4144f26c7a78STrond Myklebust 4145f26c7a78STrond Myklebust status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); 4146f26c7a78STrond Myklebust if (status < 0) 41471da177e4SLinus Torvalds goto xdr_error; 4148409924e4STrond Myklebust fattr->valid |= status; 4149f26c7a78STrond Myklebust 4150f26c7a78STrond Myklebust status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); 4151f26c7a78STrond Myklebust if (status < 0) 41521da177e4SLinus Torvalds goto xdr_error; 4153409924e4STrond Myklebust fattr->valid |= status; 4154f26c7a78STrond Myklebust 415528331a46STrond Myklebust status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); 4156f26c7a78STrond Myklebust if (status < 0) 415799baf625SManoj Naik goto xdr_error; 4158409924e4STrond Myklebust fattr->valid |= status; 4159f26c7a78STrond Myklebust 4160ae42c70aSBryan Schumaker xdr_error: 4161ae42c70aSBryan Schumaker dprintk("%s: xdr returned %d\n", __func__, -status); 4162ae42c70aSBryan Schumaker return status; 4163ae42c70aSBryan Schumaker } 4164ae42c70aSBryan Schumaker 4165ae42c70aSBryan Schumaker static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, 4166ae42c70aSBryan Schumaker struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) 4167ae42c70aSBryan Schumaker { 4168ae42c70aSBryan Schumaker __be32 *savep; 4169ae42c70aSBryan Schumaker uint32_t attrlen, 4170ae42c70aSBryan Schumaker bitmap[2] = {0}; 4171ae42c70aSBryan Schumaker int status; 4172ae42c70aSBryan Schumaker 4173ae42c70aSBryan Schumaker status = decode_op_hdr(xdr, OP_GETATTR); 4174ae42c70aSBryan Schumaker if (status < 0) 4175ae42c70aSBryan Schumaker goto xdr_error; 4176ae42c70aSBryan Schumaker 4177ae42c70aSBryan Schumaker status = decode_attr_bitmap(xdr, bitmap); 4178ae42c70aSBryan Schumaker if (status < 0) 4179ae42c70aSBryan Schumaker goto xdr_error; 4180ae42c70aSBryan Schumaker 4181ae42c70aSBryan Schumaker status = decode_attr_length(xdr, &attrlen, &savep); 4182ae42c70aSBryan Schumaker if (status < 0) 4183ae42c70aSBryan Schumaker goto xdr_error; 4184ae42c70aSBryan Schumaker 4185ae42c70aSBryan Schumaker status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); 4186ae42c70aSBryan Schumaker if (status < 0) 4187ae42c70aSBryan Schumaker goto xdr_error; 4188ae42c70aSBryan Schumaker 4189f26c7a78STrond Myklebust status = verify_attr_len(xdr, savep, attrlen); 41901da177e4SLinus Torvalds xdr_error: 41913110ff80SHarvey Harrison dprintk("%s: xdr returned %d\n", __func__, -status); 41921da177e4SLinus Torvalds return status; 41931da177e4SLinus Torvalds } 41941da177e4SLinus Torvalds 4195ae42c70aSBryan Schumaker static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, 4196ae42c70aSBryan Schumaker const struct nfs_server *server, int may_sleep) 4197ae42c70aSBryan Schumaker { 4198ae42c70aSBryan Schumaker return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); 4199ae42c70aSBryan Schumaker } 42001da177e4SLinus Torvalds 4201504913fbSAndy Adamson /* 4202504913fbSAndy Adamson * Decode potentially multiple layout types. Currently we only support 4203504913fbSAndy Adamson * one layout driver per file system. 4204504913fbSAndy Adamson */ 4205504913fbSAndy Adamson static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, 4206504913fbSAndy Adamson uint32_t *layouttype) 4207504913fbSAndy Adamson { 4208504913fbSAndy Adamson uint32_t *p; 4209504913fbSAndy Adamson int num; 4210504913fbSAndy Adamson 4211504913fbSAndy Adamson p = xdr_inline_decode(xdr, 4); 4212504913fbSAndy Adamson if (unlikely(!p)) 4213504913fbSAndy Adamson goto out_overflow; 4214504913fbSAndy Adamson num = be32_to_cpup(p); 4215504913fbSAndy Adamson 4216504913fbSAndy Adamson /* pNFS is not supported by the underlying file system */ 4217504913fbSAndy Adamson if (num == 0) { 4218504913fbSAndy Adamson *layouttype = 0; 4219504913fbSAndy Adamson return 0; 4220504913fbSAndy Adamson } 4221504913fbSAndy Adamson if (num > 1) 4222504913fbSAndy Adamson printk(KERN_INFO "%s: Warning: Multiple pNFS layout drivers " 4223504913fbSAndy Adamson "per filesystem not supported\n", __func__); 4224504913fbSAndy Adamson 4225504913fbSAndy Adamson /* Decode and set first layout type, move xdr->p past unused types */ 4226504913fbSAndy Adamson p = xdr_inline_decode(xdr, num * 4); 4227504913fbSAndy Adamson if (unlikely(!p)) 4228504913fbSAndy Adamson goto out_overflow; 4229504913fbSAndy Adamson *layouttype = be32_to_cpup(p); 4230504913fbSAndy Adamson return 0; 4231504913fbSAndy Adamson out_overflow: 4232504913fbSAndy Adamson print_overflow_msg(__func__, xdr); 4233504913fbSAndy Adamson return -EIO; 4234504913fbSAndy Adamson } 4235504913fbSAndy Adamson 4236504913fbSAndy Adamson /* 4237504913fbSAndy Adamson * The type of file system exported. 4238504913fbSAndy Adamson * Note we must ensure that layouttype is set in any non-error case. 4239504913fbSAndy Adamson */ 4240504913fbSAndy Adamson static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, 4241504913fbSAndy Adamson uint32_t *layouttype) 4242504913fbSAndy Adamson { 4243504913fbSAndy Adamson int status = 0; 4244504913fbSAndy Adamson 4245504913fbSAndy Adamson dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); 4246504913fbSAndy Adamson if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) 4247504913fbSAndy Adamson return -EIO; 4248504913fbSAndy Adamson if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { 4249504913fbSAndy Adamson status = decode_first_pnfs_layout_type(xdr, layouttype); 4250504913fbSAndy Adamson bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; 4251504913fbSAndy Adamson } else 4252504913fbSAndy Adamson *layouttype = 0; 4253504913fbSAndy Adamson return status; 4254504913fbSAndy Adamson } 4255504913fbSAndy Adamson 42561da177e4SLinus Torvalds static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) 42571da177e4SLinus Torvalds { 42588687b63aSAl Viro __be32 *savep; 42591da177e4SLinus Torvalds uint32_t attrlen, bitmap[2]; 42601da177e4SLinus Torvalds int status; 42611da177e4SLinus Torvalds 42621da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 42631da177e4SLinus Torvalds goto xdr_error; 42641da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 42651da177e4SLinus Torvalds goto xdr_error; 42661da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 42671da177e4SLinus Torvalds goto xdr_error; 42681da177e4SLinus Torvalds 42691da177e4SLinus Torvalds fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ 42701da177e4SLinus Torvalds 42711da177e4SLinus Torvalds if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) 42721da177e4SLinus Torvalds goto xdr_error; 42731da177e4SLinus Torvalds if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) 42741da177e4SLinus Torvalds goto xdr_error; 42751da177e4SLinus Torvalds if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) 42761da177e4SLinus Torvalds goto xdr_error; 42771da177e4SLinus Torvalds fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; 42781da177e4SLinus Torvalds if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) 42791da177e4SLinus Torvalds goto xdr_error; 42801da177e4SLinus Torvalds fsinfo->wtpref = fsinfo->wtmax; 428155b6e774SRicardo Labiaga status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); 428255b6e774SRicardo Labiaga if (status != 0) 428355b6e774SRicardo Labiaga goto xdr_error; 4284504913fbSAndy Adamson status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); 4285504913fbSAndy Adamson if (status != 0) 4286504913fbSAndy Adamson goto xdr_error; 42871da177e4SLinus Torvalds 42881da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 42891da177e4SLinus Torvalds xdr_error: 42903110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 42911da177e4SLinus Torvalds return status; 42921da177e4SLinus Torvalds } 42931da177e4SLinus Torvalds 42941da177e4SLinus Torvalds static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) 42951da177e4SLinus Torvalds { 42968687b63aSAl Viro __be32 *p; 42971da177e4SLinus Torvalds uint32_t len; 42981da177e4SLinus Torvalds int status; 42991da177e4SLinus Torvalds 43009936781dSTrond Myklebust /* Zero handle first to allow comparisons */ 43019936781dSTrond Myklebust memset(fh, 0, sizeof(*fh)); 43029936781dSTrond Myklebust 43031da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_GETFH); 43041da177e4SLinus Torvalds if (status) 43051da177e4SLinus Torvalds return status; 43061da177e4SLinus Torvalds 4307c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4308c0eae66eSBenny Halevy if (unlikely(!p)) 4309c0eae66eSBenny Halevy goto out_overflow; 4310cccddf4fSBenny Halevy len = be32_to_cpup(p); 43111da177e4SLinus Torvalds if (len > NFS4_FHSIZE) 43121da177e4SLinus Torvalds return -EIO; 43131da177e4SLinus Torvalds fh->size = len; 4314c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, len); 4315c0eae66eSBenny Halevy if (unlikely(!p)) 4316c0eae66eSBenny Halevy goto out_overflow; 431799398d06SBenny Halevy memcpy(fh->data, p, len); 43181da177e4SLinus Torvalds return 0; 4319c0eae66eSBenny Halevy out_overflow: 4320c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4321c0eae66eSBenny Halevy return -EIO; 43221da177e4SLinus Torvalds } 43231da177e4SLinus Torvalds 43241da177e4SLinus Torvalds static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 43251da177e4SLinus Torvalds { 43261da177e4SLinus Torvalds int status; 43271da177e4SLinus Torvalds 43281da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LINK); 43291da177e4SLinus Torvalds if (status) 43301da177e4SLinus Torvalds return status; 43311da177e4SLinus Torvalds return decode_change_info(xdr, cinfo); 43321da177e4SLinus Torvalds } 43331da177e4SLinus Torvalds 43341da177e4SLinus Torvalds /* 43351da177e4SLinus Torvalds * We create the owner, so we know a proper owner.id length is 4. 43361da177e4SLinus Torvalds */ 4337911d1aafSTrond Myklebust static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) 43381da177e4SLinus Torvalds { 4339911d1aafSTrond Myklebust uint64_t offset, length, clientid; 43408687b63aSAl Viro __be32 *p; 4341911d1aafSTrond Myklebust uint32_t namelen, type; 43421da177e4SLinus Torvalds 4343babddc72SBryan Schumaker p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ 4344c0eae66eSBenny Halevy if (unlikely(!p)) 4345c0eae66eSBenny Halevy goto out_overflow; 4346babddc72SBryan Schumaker p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ 43473ceb4dbbSBenny Halevy p = xdr_decode_hyper(p, &length); 4348babddc72SBryan Schumaker type = be32_to_cpup(p++); /* 4 byte read */ 4349babddc72SBryan Schumaker if (fl != NULL) { /* manipulate file lock */ 4350911d1aafSTrond Myklebust fl->fl_start = (loff_t)offset; 4351911d1aafSTrond Myklebust fl->fl_end = fl->fl_start + (loff_t)length - 1; 4352911d1aafSTrond Myklebust if (length == ~(uint64_t)0) 4353911d1aafSTrond Myklebust fl->fl_end = OFFSET_MAX; 4354911d1aafSTrond Myklebust fl->fl_type = F_WRLCK; 4355911d1aafSTrond Myklebust if (type & 1) 4356911d1aafSTrond Myklebust fl->fl_type = F_RDLCK; 4357911d1aafSTrond Myklebust fl->fl_pid = 0; 4358911d1aafSTrond Myklebust } 4359babddc72SBryan Schumaker p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ 4360babddc72SBryan Schumaker namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ 4361babddc72SBryan Schumaker p = xdr_inline_decode(xdr, namelen); /* variable size field */ 4362c0eae66eSBenny Halevy if (likely(p)) 43631da177e4SLinus Torvalds return -NFS4ERR_DENIED; 4364c0eae66eSBenny Halevy out_overflow: 4365c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4366c0eae66eSBenny Halevy return -EIO; 43671da177e4SLinus Torvalds } 43681da177e4SLinus Torvalds 4369911d1aafSTrond Myklebust static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) 43701da177e4SLinus Torvalds { 43711da177e4SLinus Torvalds int status; 43721da177e4SLinus Torvalds 43731da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCK); 4374c1d51931STrond Myklebust if (status == -EIO) 4375c1d51931STrond Myklebust goto out; 43761da177e4SLinus Torvalds if (status == 0) { 437707d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 437807d30434SBenny Halevy if (unlikely(status)) 437907d30434SBenny Halevy goto out; 43801da177e4SLinus Torvalds } else if (status == -NFS4ERR_DENIED) 4381c1d51931STrond Myklebust status = decode_lock_denied(xdr, NULL); 4382c1d51931STrond Myklebust if (res->open_seqid != NULL) 4383c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->open_seqid); 4384c1d51931STrond Myklebust nfs_increment_lock_seqid(status, res->lock_seqid); 4385c1d51931STrond Myklebust out: 43861da177e4SLinus Torvalds return status; 43871da177e4SLinus Torvalds } 43881da177e4SLinus Torvalds 4389911d1aafSTrond Myklebust static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) 43901da177e4SLinus Torvalds { 43911da177e4SLinus Torvalds int status; 43921da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKT); 43931da177e4SLinus Torvalds if (status == -NFS4ERR_DENIED) 4394911d1aafSTrond Myklebust return decode_lock_denied(xdr, res->denied); 43951da177e4SLinus Torvalds return status; 43961da177e4SLinus Torvalds } 43971da177e4SLinus Torvalds 4398911d1aafSTrond Myklebust static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) 43991da177e4SLinus Torvalds { 44001da177e4SLinus Torvalds int status; 44011da177e4SLinus Torvalds 44021da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKU); 4403c1d51931STrond Myklebust if (status != -EIO) 4404c1d51931STrond Myklebust nfs_increment_lock_seqid(status, res->seqid); 440507d30434SBenny Halevy if (status == 0) 440607d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 44071da177e4SLinus Torvalds return status; 44081da177e4SLinus Torvalds } 44091da177e4SLinus Torvalds 4410d3c7b7ccSTrond Myklebust static int decode_release_lockowner(struct xdr_stream *xdr) 4411d3c7b7ccSTrond Myklebust { 4412d3c7b7ccSTrond Myklebust return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); 4413d3c7b7ccSTrond Myklebust } 4414d3c7b7ccSTrond Myklebust 44151da177e4SLinus Torvalds static int decode_lookup(struct xdr_stream *xdr) 44161da177e4SLinus Torvalds { 44171da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_LOOKUP); 44181da177e4SLinus Torvalds } 44191da177e4SLinus Torvalds 44201da177e4SLinus Torvalds /* This is too sick! */ 44211da177e4SLinus Torvalds static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) 44221da177e4SLinus Torvalds { 44238687b63aSAl Viro __be32 *p; 44241da177e4SLinus Torvalds uint32_t limit_type, nblocks, blocksize; 44251da177e4SLinus Torvalds 4426c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 12); 4427c0eae66eSBenny Halevy if (unlikely(!p)) 4428c0eae66eSBenny Halevy goto out_overflow; 44296f723f77SBenny Halevy limit_type = be32_to_cpup(p++); 44301da177e4SLinus Torvalds switch (limit_type) { 44311da177e4SLinus Torvalds case 1: 4432cccddf4fSBenny Halevy xdr_decode_hyper(p, maxsize); 44331da177e4SLinus Torvalds break; 44341da177e4SLinus Torvalds case 2: 44356f723f77SBenny Halevy nblocks = be32_to_cpup(p++); 4436cccddf4fSBenny Halevy blocksize = be32_to_cpup(p); 44371da177e4SLinus Torvalds *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; 44381da177e4SLinus Torvalds } 44391da177e4SLinus Torvalds return 0; 4440c0eae66eSBenny Halevy out_overflow: 4441c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4442c0eae66eSBenny Halevy return -EIO; 44431da177e4SLinus Torvalds } 44441da177e4SLinus Torvalds 44451da177e4SLinus Torvalds static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) 44461da177e4SLinus Torvalds { 44478687b63aSAl Viro __be32 *p; 44481da177e4SLinus Torvalds uint32_t delegation_type; 444907d30434SBenny Halevy int status; 44501da177e4SLinus Torvalds 4451c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4452c0eae66eSBenny Halevy if (unlikely(!p)) 4453c0eae66eSBenny Halevy goto out_overflow; 4454cccddf4fSBenny Halevy delegation_type = be32_to_cpup(p); 44551da177e4SLinus Torvalds if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { 44561da177e4SLinus Torvalds res->delegation_type = 0; 44571da177e4SLinus Torvalds return 0; 44581da177e4SLinus Torvalds } 445907d30434SBenny Halevy status = decode_stateid(xdr, &res->delegation); 446007d30434SBenny Halevy if (unlikely(status)) 446107d30434SBenny Halevy return status; 4462c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4463c0eae66eSBenny Halevy if (unlikely(!p)) 4464c0eae66eSBenny Halevy goto out_overflow; 4465cccddf4fSBenny Halevy res->do_recall = be32_to_cpup(p); 446605d564feSAndy Adamson 44671da177e4SLinus Torvalds switch (delegation_type) { 44681da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_READ: 44691da177e4SLinus Torvalds res->delegation_type = FMODE_READ; 44701da177e4SLinus Torvalds break; 44711da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_WRITE: 44721da177e4SLinus Torvalds res->delegation_type = FMODE_WRITE|FMODE_READ; 44731da177e4SLinus Torvalds if (decode_space_limit(xdr, &res->maxsize) < 0) 44741da177e4SLinus Torvalds return -EIO; 44751da177e4SLinus Torvalds } 44767539bbabSDavid Howells return decode_ace(xdr, NULL, res->server->nfs_client); 4477c0eae66eSBenny Halevy out_overflow: 4478c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4479c0eae66eSBenny Halevy return -EIO; 44801da177e4SLinus Torvalds } 44811da177e4SLinus Torvalds 44821da177e4SLinus Torvalds static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) 44831da177e4SLinus Torvalds { 44848687b63aSAl Viro __be32 *p; 4485aa53ed54SJeff Layton uint32_t savewords, bmlen, i; 44861da177e4SLinus Torvalds int status; 44871da177e4SLinus Torvalds 44881da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN); 4489c1d51931STrond Myklebust if (status != -EIO) 4490c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 449107d30434SBenny Halevy if (!status) 449207d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 449307d30434SBenny Halevy if (unlikely(status)) 44941da177e4SLinus Torvalds return status; 44951da177e4SLinus Torvalds 44961da177e4SLinus Torvalds decode_change_info(xdr, &res->cinfo); 44971da177e4SLinus Torvalds 4498c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 4499c0eae66eSBenny Halevy if (unlikely(!p)) 4500c0eae66eSBenny Halevy goto out_overflow; 45016f723f77SBenny Halevy res->rflags = be32_to_cpup(p++); 4502cccddf4fSBenny Halevy bmlen = be32_to_cpup(p); 45031da177e4SLinus Torvalds if (bmlen > 10) 45041da177e4SLinus Torvalds goto xdr_error; 45051da177e4SLinus Torvalds 4506c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, bmlen << 2); 4507c0eae66eSBenny Halevy if (unlikely(!p)) 4508c0eae66eSBenny Halevy goto out_overflow; 4509aa53ed54SJeff Layton savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); 4510aa53ed54SJeff Layton for (i = 0; i < savewords; ++i) 45116f723f77SBenny Halevy res->attrset[i] = be32_to_cpup(p++); 4512aa53ed54SJeff Layton for (; i < NFS4_BITMAP_SIZE; i++) 4513aa53ed54SJeff Layton res->attrset[i] = 0; 4514aa53ed54SJeff Layton 45151da177e4SLinus Torvalds return decode_delegation(xdr, res); 45161da177e4SLinus Torvalds xdr_error: 45173110ff80SHarvey Harrison dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); 45181da177e4SLinus Torvalds return -EIO; 4519c0eae66eSBenny Halevy out_overflow: 4520c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4521c0eae66eSBenny Halevy return -EIO; 45221da177e4SLinus Torvalds } 45231da177e4SLinus Torvalds 45241da177e4SLinus Torvalds static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) 45251da177e4SLinus Torvalds { 45261da177e4SLinus Torvalds int status; 45271da177e4SLinus Torvalds 45281da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); 4529c1d51931STrond Myklebust if (status != -EIO) 4530c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 453107d30434SBenny Halevy if (!status) 453207d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 45331da177e4SLinus Torvalds return status; 45341da177e4SLinus Torvalds } 45351da177e4SLinus Torvalds 45361da177e4SLinus Torvalds static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) 45371da177e4SLinus Torvalds { 45381da177e4SLinus Torvalds int status; 45391da177e4SLinus Torvalds 45401da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); 4541c1d51931STrond Myklebust if (status != -EIO) 4542c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 454307d30434SBenny Halevy if (!status) 454407d30434SBenny Halevy status = decode_stateid(xdr, &res->stateid); 45451da177e4SLinus Torvalds return status; 45461da177e4SLinus Torvalds } 45471da177e4SLinus Torvalds 45481da177e4SLinus Torvalds static int decode_putfh(struct xdr_stream *xdr) 45491da177e4SLinus Torvalds { 45501da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTFH); 45511da177e4SLinus Torvalds } 45521da177e4SLinus Torvalds 45531da177e4SLinus Torvalds static int decode_putrootfh(struct xdr_stream *xdr) 45541da177e4SLinus Torvalds { 45551da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTROOTFH); 45561da177e4SLinus Torvalds } 45571da177e4SLinus Torvalds 45581da177e4SLinus Torvalds static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) 45591da177e4SLinus Torvalds { 45601da177e4SLinus Torvalds struct kvec *iov = req->rq_rcv_buf.head; 45618687b63aSAl Viro __be32 *p; 45621da177e4SLinus Torvalds uint32_t count, eof, recvd, hdrlen; 45631da177e4SLinus Torvalds int status; 45641da177e4SLinus Torvalds 45651da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READ); 45661da177e4SLinus Torvalds if (status) 45671da177e4SLinus Torvalds return status; 4568c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 4569c0eae66eSBenny Halevy if (unlikely(!p)) 4570c0eae66eSBenny Halevy goto out_overflow; 45716f723f77SBenny Halevy eof = be32_to_cpup(p++); 4572cccddf4fSBenny Halevy count = be32_to_cpup(p); 45738111f373SChuck Lever hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; 45741da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 45751da177e4SLinus Torvalds if (count > recvd) { 4576fe82a183SChuck Lever dprintk("NFS: server cheating in read reply: " 45771da177e4SLinus Torvalds "count %u > recvd %u\n", count, recvd); 45781da177e4SLinus Torvalds count = recvd; 45791da177e4SLinus Torvalds eof = 0; 45801da177e4SLinus Torvalds } 45811da177e4SLinus Torvalds xdr_read_pages(xdr, count); 45821da177e4SLinus Torvalds res->eof = eof; 45831da177e4SLinus Torvalds res->count = count; 45841da177e4SLinus Torvalds return 0; 4585c0eae66eSBenny Halevy out_overflow: 4586c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4587c0eae66eSBenny Halevy return -EIO; 45881da177e4SLinus Torvalds } 45891da177e4SLinus Torvalds 45901da177e4SLinus Torvalds static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) 45911da177e4SLinus Torvalds { 45921da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 45931da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 4594bcecff77SChuck Lever size_t hdrlen; 4595bcecff77SChuck Lever u32 recvd, pglen = rcvbuf->page_len; 4596bcecff77SChuck Lever int status; 45971da177e4SLinus Torvalds 45981da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READDIR); 4599db942bbdSBenny Halevy if (!status) 4600db942bbdSBenny Halevy status = decode_verifier(xdr, readdir->verifier.data); 4601db942bbdSBenny Halevy if (unlikely(status)) 46021da177e4SLinus Torvalds return status; 460344109241SFred Isaman dprintk("%s: verifier = %08x:%08x\n", 460444109241SFred Isaman __func__, 4605eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 4606eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1]); 4607eadf4598STrond Myklebust 46081da177e4SLinus Torvalds 4609db942bbdSBenny Halevy hdrlen = (char *) xdr->p - (char *) iov->iov_base; 46101da177e4SLinus Torvalds recvd = rcvbuf->len - hdrlen; 46111da177e4SLinus Torvalds if (pglen > recvd) 46121da177e4SLinus Torvalds pglen = recvd; 46131da177e4SLinus Torvalds xdr_read_pages(xdr, pglen); 46141da177e4SLinus Torvalds 46157bda2cdfSJeff Layton 4616ac396128STrond Myklebust return pglen; 46171da177e4SLinus Torvalds } 46181da177e4SLinus Torvalds 46191da177e4SLinus Torvalds static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) 46201da177e4SLinus Torvalds { 46211da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 46221da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 4623bcecff77SChuck Lever size_t hdrlen; 4624bcecff77SChuck Lever u32 len, recvd; 46258687b63aSAl Viro __be32 *p; 46261da177e4SLinus Torvalds int status; 46271da177e4SLinus Torvalds 46281da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READLINK); 46291da177e4SLinus Torvalds if (status) 46301da177e4SLinus Torvalds return status; 46311da177e4SLinus Torvalds 46321da177e4SLinus Torvalds /* Convert length of symlink */ 4633c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4634c0eae66eSBenny Halevy if (unlikely(!p)) 4635c0eae66eSBenny Halevy goto out_overflow; 4636cccddf4fSBenny Halevy len = be32_to_cpup(p); 46371da177e4SLinus Torvalds if (len >= rcvbuf->page_len || len <= 0) { 4638fe82a183SChuck Lever dprintk("nfs: server returned giant symlink!\n"); 46391da177e4SLinus Torvalds return -ENAMETOOLONG; 46401da177e4SLinus Torvalds } 46411da177e4SLinus Torvalds hdrlen = (char *) xdr->p - (char *) iov->iov_base; 46421da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 46431da177e4SLinus Torvalds if (recvd < len) { 4644fe82a183SChuck Lever dprintk("NFS: server cheating in readlink reply: " 46451da177e4SLinus Torvalds "count %u > recvd %u\n", len, recvd); 46461da177e4SLinus Torvalds return -EIO; 46471da177e4SLinus Torvalds } 46481da177e4SLinus Torvalds xdr_read_pages(xdr, len); 46491da177e4SLinus Torvalds /* 46501da177e4SLinus Torvalds * The XDR encode routine has set things up so that 46511da177e4SLinus Torvalds * the link text will be copied directly into the 46521da177e4SLinus Torvalds * buffer. We just have to do overflow-checking, 46531da177e4SLinus Torvalds * and and null-terminate the text (the VFS expects 46541da177e4SLinus Torvalds * null-termination). 46551da177e4SLinus Torvalds */ 4656b4687da7SChuck Lever xdr_terminate_string(rcvbuf, len); 46571da177e4SLinus Torvalds return 0; 4658c0eae66eSBenny Halevy out_overflow: 4659c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4660c0eae66eSBenny Halevy return -EIO; 46611da177e4SLinus Torvalds } 46621da177e4SLinus Torvalds 46631da177e4SLinus Torvalds static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 46641da177e4SLinus Torvalds { 46651da177e4SLinus Torvalds int status; 46661da177e4SLinus Torvalds 46671da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_REMOVE); 46681da177e4SLinus Torvalds if (status) 46691da177e4SLinus Torvalds goto out; 46701da177e4SLinus Torvalds status = decode_change_info(xdr, cinfo); 46711da177e4SLinus Torvalds out: 46721da177e4SLinus Torvalds return status; 46731da177e4SLinus Torvalds } 46741da177e4SLinus Torvalds 46751da177e4SLinus Torvalds static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, 46761da177e4SLinus Torvalds struct nfs4_change_info *new_cinfo) 46771da177e4SLinus Torvalds { 46781da177e4SLinus Torvalds int status; 46791da177e4SLinus Torvalds 46801da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_RENAME); 46811da177e4SLinus Torvalds if (status) 46821da177e4SLinus Torvalds goto out; 46831da177e4SLinus Torvalds if ((status = decode_change_info(xdr, old_cinfo))) 46841da177e4SLinus Torvalds goto out; 46851da177e4SLinus Torvalds status = decode_change_info(xdr, new_cinfo); 46861da177e4SLinus Torvalds out: 46871da177e4SLinus Torvalds return status; 46881da177e4SLinus Torvalds } 46891da177e4SLinus Torvalds 46901da177e4SLinus Torvalds static int decode_renew(struct xdr_stream *xdr) 46911da177e4SLinus Torvalds { 46921da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_RENEW); 46931da177e4SLinus Torvalds } 46941da177e4SLinus Torvalds 469556ae19f3STrond Myklebust static int 469656ae19f3STrond Myklebust decode_restorefh(struct xdr_stream *xdr) 469756ae19f3STrond Myklebust { 469856ae19f3STrond Myklebust return decode_op_hdr(xdr, OP_RESTOREFH); 469956ae19f3STrond Myklebust } 470056ae19f3STrond Myklebust 4701029d105eSJ. Bruce Fields static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, 4702029d105eSJ. Bruce Fields size_t *acl_len) 4703029d105eSJ. Bruce Fields { 47048687b63aSAl Viro __be32 *savep; 4705029d105eSJ. Bruce Fields uint32_t attrlen, 4706029d105eSJ. Bruce Fields bitmap[2] = {0}; 4707029d105eSJ. Bruce Fields struct kvec *iov = req->rq_rcv_buf.head; 4708029d105eSJ. Bruce Fields int status; 4709029d105eSJ. Bruce Fields 4710029d105eSJ. Bruce Fields *acl_len = 0; 4711029d105eSJ. Bruce Fields if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 4712029d105eSJ. Bruce Fields goto out; 4713029d105eSJ. Bruce Fields if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 4714029d105eSJ. Bruce Fields goto out; 4715029d105eSJ. Bruce Fields if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 4716029d105eSJ. Bruce Fields goto out; 4717029d105eSJ. Bruce Fields 4718029d105eSJ. Bruce Fields if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) 4719029d105eSJ. Bruce Fields return -EIO; 4720029d105eSJ. Bruce Fields if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { 4721bcecff77SChuck Lever size_t hdrlen; 4722bcecff77SChuck Lever u32 recvd; 4723029d105eSJ. Bruce Fields 4724029d105eSJ. Bruce Fields /* We ignore &savep and don't do consistency checks on 4725029d105eSJ. Bruce Fields * the attr length. Let userspace figure it out.... */ 4726029d105eSJ. Bruce Fields hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; 4727029d105eSJ. Bruce Fields recvd = req->rq_rcv_buf.len - hdrlen; 4728029d105eSJ. Bruce Fields if (attrlen > recvd) { 4729fe82a183SChuck Lever dprintk("NFS: server cheating in getattr" 4730029d105eSJ. Bruce Fields " acl reply: attrlen %u > recvd %u\n", 4731029d105eSJ. Bruce Fields attrlen, recvd); 4732029d105eSJ. Bruce Fields return -EINVAL; 4733029d105eSJ. Bruce Fields } 4734029d105eSJ. Bruce Fields xdr_read_pages(xdr, attrlen); 4735029d105eSJ. Bruce Fields *acl_len = attrlen; 47368c233cf9SJ. Bruce Fields } else 47378c233cf9SJ. Bruce Fields status = -EOPNOTSUPP; 4738029d105eSJ. Bruce Fields 4739029d105eSJ. Bruce Fields out: 4740029d105eSJ. Bruce Fields return status; 4741029d105eSJ. Bruce Fields } 4742029d105eSJ. Bruce Fields 47431da177e4SLinus Torvalds static int 47441da177e4SLinus Torvalds decode_savefh(struct xdr_stream *xdr) 47451da177e4SLinus Torvalds { 47461da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SAVEFH); 47471da177e4SLinus Torvalds } 47481da177e4SLinus Torvalds 47499e9ecc03SBenny Halevy static int decode_setattr(struct xdr_stream *xdr) 47501da177e4SLinus Torvalds { 47518687b63aSAl Viro __be32 *p; 47521da177e4SLinus Torvalds uint32_t bmlen; 47531da177e4SLinus Torvalds int status; 47541da177e4SLinus Torvalds 47551da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_SETATTR); 47561da177e4SLinus Torvalds if (status) 47571da177e4SLinus Torvalds return status; 4758c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4759c0eae66eSBenny Halevy if (unlikely(!p)) 4760c0eae66eSBenny Halevy goto out_overflow; 4761cccddf4fSBenny Halevy bmlen = be32_to_cpup(p); 4762c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, bmlen << 2); 4763c0eae66eSBenny Halevy if (likely(p)) 47641da177e4SLinus Torvalds return 0; 4765c0eae66eSBenny Halevy out_overflow: 4766c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4767c0eae66eSBenny Halevy return -EIO; 47681da177e4SLinus Torvalds } 47691da177e4SLinus Torvalds 4770bb8b27e5STrond Myklebust static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) 47711da177e4SLinus Torvalds { 47728687b63aSAl Viro __be32 *p; 47731da177e4SLinus Torvalds uint32_t opnum; 47741da177e4SLinus Torvalds int32_t nfserr; 47751da177e4SLinus Torvalds 4776c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 4777c0eae66eSBenny Halevy if (unlikely(!p)) 4778c0eae66eSBenny Halevy goto out_overflow; 47796f723f77SBenny Halevy opnum = be32_to_cpup(p++); 47801da177e4SLinus Torvalds if (opnum != OP_SETCLIENTID) { 4781fe82a183SChuck Lever dprintk("nfs: decode_setclientid: Server returned operation" 47821da177e4SLinus Torvalds " %d\n", opnum); 47831da177e4SLinus Torvalds return -EIO; 47841da177e4SLinus Torvalds } 4785cccddf4fSBenny Halevy nfserr = be32_to_cpup(p); 47861da177e4SLinus Torvalds if (nfserr == NFS_OK) { 4787c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); 4788c0eae66eSBenny Halevy if (unlikely(!p)) 4789c0eae66eSBenny Halevy goto out_overflow; 4790bb8b27e5STrond Myklebust p = xdr_decode_hyper(p, &res->clientid); 4791bb8b27e5STrond Myklebust memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); 47921da177e4SLinus Torvalds } else if (nfserr == NFSERR_CLID_INUSE) { 47931da177e4SLinus Torvalds uint32_t len; 47941da177e4SLinus Torvalds 47951da177e4SLinus Torvalds /* skip netid string */ 4796c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4797c0eae66eSBenny Halevy if (unlikely(!p)) 4798c0eae66eSBenny Halevy goto out_overflow; 4799cccddf4fSBenny Halevy len = be32_to_cpup(p); 4800c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, len); 4801c0eae66eSBenny Halevy if (unlikely(!p)) 4802c0eae66eSBenny Halevy goto out_overflow; 48031da177e4SLinus Torvalds 48041da177e4SLinus Torvalds /* skip uaddr string */ 4805c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); 4806c0eae66eSBenny Halevy if (unlikely(!p)) 4807c0eae66eSBenny Halevy goto out_overflow; 4808cccddf4fSBenny Halevy len = be32_to_cpup(p); 4809c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, len); 4810c0eae66eSBenny Halevy if (unlikely(!p)) 4811c0eae66eSBenny Halevy goto out_overflow; 48121da177e4SLinus Torvalds return -NFSERR_CLID_INUSE; 48131da177e4SLinus Torvalds } else 4814856dff3dSBenny Halevy return nfs4_stat_to_errno(nfserr); 48151da177e4SLinus Torvalds 48161da177e4SLinus Torvalds return 0; 4817c0eae66eSBenny Halevy out_overflow: 4818c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4819c0eae66eSBenny Halevy return -EIO; 48201da177e4SLinus Torvalds } 48211da177e4SLinus Torvalds 48221da177e4SLinus Torvalds static int decode_setclientid_confirm(struct xdr_stream *xdr) 48231da177e4SLinus Torvalds { 48241da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); 48251da177e4SLinus Torvalds } 48261da177e4SLinus Torvalds 48271da177e4SLinus Torvalds static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) 48281da177e4SLinus Torvalds { 48298687b63aSAl Viro __be32 *p; 48301da177e4SLinus Torvalds int status; 48311da177e4SLinus Torvalds 48321da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_WRITE); 48331da177e4SLinus Torvalds if (status) 48341da177e4SLinus Torvalds return status; 48351da177e4SLinus Torvalds 4836c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 16); 4837c0eae66eSBenny Halevy if (unlikely(!p)) 4838c0eae66eSBenny Halevy goto out_overflow; 48396f723f77SBenny Halevy res->count = be32_to_cpup(p++); 48406f723f77SBenny Halevy res->verf->committed = be32_to_cpup(p++); 484199398d06SBenny Halevy memcpy(res->verf->verifier, p, 8); 48421da177e4SLinus Torvalds return 0; 4843c0eae66eSBenny Halevy out_overflow: 4844c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4845c0eae66eSBenny Halevy return -EIO; 48461da177e4SLinus Torvalds } 48471da177e4SLinus Torvalds 48481da177e4SLinus Torvalds static int decode_delegreturn(struct xdr_stream *xdr) 48491da177e4SLinus Torvalds { 48501da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_DELEGRETURN); 48511da177e4SLinus Torvalds } 48521da177e4SLinus Torvalds 48535a5ea0d4SBryan Schumaker static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) 48545a5ea0d4SBryan Schumaker { 48555a5ea0d4SBryan Schumaker __be32 *p; 48565a5ea0d4SBryan Schumaker 48575a5ea0d4SBryan Schumaker p = xdr_inline_decode(xdr, 4); 48585a5ea0d4SBryan Schumaker if (unlikely(!p)) 48595a5ea0d4SBryan Schumaker goto out_overflow; 48605a5ea0d4SBryan Schumaker flavor->gss.sec_oid4.len = be32_to_cpup(p); 48615a5ea0d4SBryan Schumaker if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) 48625a5ea0d4SBryan Schumaker goto out_err; 48635a5ea0d4SBryan Schumaker 48645a5ea0d4SBryan Schumaker p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); 48655a5ea0d4SBryan Schumaker if (unlikely(!p)) 48665a5ea0d4SBryan Schumaker goto out_overflow; 48675a5ea0d4SBryan Schumaker memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); 48685a5ea0d4SBryan Schumaker 48695a5ea0d4SBryan Schumaker p = xdr_inline_decode(xdr, 8); 48705a5ea0d4SBryan Schumaker if (unlikely(!p)) 48715a5ea0d4SBryan Schumaker goto out_overflow; 48725a5ea0d4SBryan Schumaker flavor->gss.qop4 = be32_to_cpup(p++); 48735a5ea0d4SBryan Schumaker flavor->gss.service = be32_to_cpup(p); 48745a5ea0d4SBryan Schumaker 48755a5ea0d4SBryan Schumaker return 0; 48765a5ea0d4SBryan Schumaker 48775a5ea0d4SBryan Schumaker out_overflow: 48785a5ea0d4SBryan Schumaker print_overflow_msg(__func__, xdr); 48795a5ea0d4SBryan Schumaker return -EIO; 48805a5ea0d4SBryan Schumaker out_err: 48815a5ea0d4SBryan Schumaker return -EINVAL; 48825a5ea0d4SBryan Schumaker } 48835a5ea0d4SBryan Schumaker 48845a5ea0d4SBryan Schumaker static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) 48855a5ea0d4SBryan Schumaker { 48865a5ea0d4SBryan Schumaker struct nfs4_secinfo_flavor *sec_flavor; 48875a5ea0d4SBryan Schumaker int status; 48885a5ea0d4SBryan Schumaker __be32 *p; 4889c3dfc280SBryan Schumaker int i, num_flavors; 48905a5ea0d4SBryan Schumaker 48915a5ea0d4SBryan Schumaker status = decode_op_hdr(xdr, OP_SECINFO); 4892613e901eSBryan Schumaker if (status) 4893613e901eSBryan Schumaker goto out; 48945a5ea0d4SBryan Schumaker p = xdr_inline_decode(xdr, 4); 48955a5ea0d4SBryan Schumaker if (unlikely(!p)) 48965a5ea0d4SBryan Schumaker goto out_overflow; 48975a5ea0d4SBryan Schumaker 4898c3dfc280SBryan Schumaker res->flavors->num_flavors = 0; 4899c3dfc280SBryan Schumaker num_flavors = be32_to_cpup(p); 4900c3dfc280SBryan Schumaker 4901c3dfc280SBryan Schumaker for (i = 0; i < num_flavors; i++) { 49025a5ea0d4SBryan Schumaker sec_flavor = &res->flavors->flavors[i]; 4903c3dfc280SBryan Schumaker if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) 49045a5ea0d4SBryan Schumaker break; 49055a5ea0d4SBryan Schumaker 49065a5ea0d4SBryan Schumaker p = xdr_inline_decode(xdr, 4); 49075a5ea0d4SBryan Schumaker if (unlikely(!p)) 49085a5ea0d4SBryan Schumaker goto out_overflow; 49095a5ea0d4SBryan Schumaker sec_flavor->flavor = be32_to_cpup(p); 49105a5ea0d4SBryan Schumaker 49115a5ea0d4SBryan Schumaker if (sec_flavor->flavor == RPC_AUTH_GSS) { 4912613e901eSBryan Schumaker status = decode_secinfo_gss(xdr, sec_flavor); 4913613e901eSBryan Schumaker if (status) 4914613e901eSBryan Schumaker goto out; 49155a5ea0d4SBryan Schumaker } 4916c3dfc280SBryan Schumaker res->flavors->num_flavors++; 49175a5ea0d4SBryan Schumaker } 49185a5ea0d4SBryan Schumaker 4919613e901eSBryan Schumaker out: 4920613e901eSBryan Schumaker return status; 49215a5ea0d4SBryan Schumaker out_overflow: 49225a5ea0d4SBryan Schumaker print_overflow_msg(__func__, xdr); 49235a5ea0d4SBryan Schumaker return -EIO; 49245a5ea0d4SBryan Schumaker } 49255a5ea0d4SBryan Schumaker 492699fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 492799fe60d0SBenny Halevy static int decode_exchange_id(struct xdr_stream *xdr, 492899fe60d0SBenny Halevy struct nfs41_exchange_id_res *res) 492999fe60d0SBenny Halevy { 493099fe60d0SBenny Halevy __be32 *p; 493199fe60d0SBenny Halevy uint32_t dummy; 49322460ba57SBenny Halevy char *dummy_str; 493399fe60d0SBenny Halevy int status; 493499fe60d0SBenny Halevy struct nfs_client *clp = res->client; 493599fe60d0SBenny Halevy 493699fe60d0SBenny Halevy status = decode_op_hdr(xdr, OP_EXCHANGE_ID); 493799fe60d0SBenny Halevy if (status) 493899fe60d0SBenny Halevy return status; 493999fe60d0SBenny Halevy 4940c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 4941c0eae66eSBenny Halevy if (unlikely(!p)) 4942c0eae66eSBenny Halevy goto out_overflow; 4943114f64b5SAndy Adamson xdr_decode_hyper(p, &clp->cl_clientid); 4944c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 12); 4945c0eae66eSBenny Halevy if (unlikely(!p)) 4946c0eae66eSBenny Halevy goto out_overflow; 49476f723f77SBenny Halevy clp->cl_seqid = be32_to_cpup(p++); 49486f723f77SBenny Halevy clp->cl_exchange_flags = be32_to_cpup(p++); 494999fe60d0SBenny Halevy 495099fe60d0SBenny Halevy /* We ask for SP4_NONE */ 4951cccddf4fSBenny Halevy dummy = be32_to_cpup(p); 495299fe60d0SBenny Halevy if (dummy != SP4_NONE) 495399fe60d0SBenny Halevy return -EIO; 495499fe60d0SBenny Halevy 495599fe60d0SBenny Halevy /* Throw away minor_id */ 4956c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 4957c0eae66eSBenny Halevy if (unlikely(!p)) 4958c0eae66eSBenny Halevy goto out_overflow; 495999fe60d0SBenny Halevy 496099fe60d0SBenny Halevy /* Throw away Major id */ 49612460ba57SBenny Halevy status = decode_opaque_inline(xdr, &dummy, &dummy_str); 49622460ba57SBenny Halevy if (unlikely(status)) 49632460ba57SBenny Halevy return status; 496499fe60d0SBenny Halevy 496599fe60d0SBenny Halevy /* Throw away server_scope */ 49662460ba57SBenny Halevy status = decode_opaque_inline(xdr, &dummy, &dummy_str); 49672460ba57SBenny Halevy if (unlikely(status)) 49682460ba57SBenny Halevy return status; 496999fe60d0SBenny Halevy 497099fe60d0SBenny Halevy /* Throw away Implementation id array */ 49712460ba57SBenny Halevy status = decode_opaque_inline(xdr, &dummy, &dummy_str); 49722460ba57SBenny Halevy if (unlikely(status)) 49732460ba57SBenny Halevy return status; 497499fe60d0SBenny Halevy 497599fe60d0SBenny Halevy return 0; 4976c0eae66eSBenny Halevy out_overflow: 4977c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 4978c0eae66eSBenny Halevy return -EIO; 497999fe60d0SBenny Halevy } 4980fc931582SAndy Adamson 4981fc931582SAndy Adamson static int decode_chan_attrs(struct xdr_stream *xdr, 4982fc931582SAndy Adamson struct nfs4_channel_attrs *attrs) 4983fc931582SAndy Adamson { 4984fc931582SAndy Adamson __be32 *p; 4985fc931582SAndy Adamson u32 nr_attrs; 4986fc931582SAndy Adamson 4987c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 28); 4988c0eae66eSBenny Halevy if (unlikely(!p)) 4989c0eae66eSBenny Halevy goto out_overflow; 49906f723f77SBenny Halevy attrs->headerpadsz = be32_to_cpup(p++); 49916f723f77SBenny Halevy attrs->max_rqst_sz = be32_to_cpup(p++); 49926f723f77SBenny Halevy attrs->max_resp_sz = be32_to_cpup(p++); 49936f723f77SBenny Halevy attrs->max_resp_sz_cached = be32_to_cpup(p++); 49946f723f77SBenny Halevy attrs->max_ops = be32_to_cpup(p++); 49956f723f77SBenny Halevy attrs->max_reqs = be32_to_cpup(p++); 4996cccddf4fSBenny Halevy nr_attrs = be32_to_cpup(p); 4997fc931582SAndy Adamson if (unlikely(nr_attrs > 1)) { 4998fc931582SAndy Adamson printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", 4999fc931582SAndy Adamson __func__, nr_attrs); 5000fc931582SAndy Adamson return -EINVAL; 5001fc931582SAndy Adamson } 5002c0eae66eSBenny Halevy if (nr_attrs == 1) { 5003c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ 5004c0eae66eSBenny Halevy if (unlikely(!p)) 5005c0eae66eSBenny Halevy goto out_overflow; 5006c0eae66eSBenny Halevy } 5007fc931582SAndy Adamson return 0; 5008c0eae66eSBenny Halevy out_overflow: 5009c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 5010c0eae66eSBenny Halevy return -EIO; 5011fc931582SAndy Adamson } 5012fc931582SAndy Adamson 5013e78291e4SBenny Halevy static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) 5014e78291e4SBenny Halevy { 5015e78291e4SBenny Halevy return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); 5016fc931582SAndy Adamson } 5017fc931582SAndy Adamson 5018fc931582SAndy Adamson static int decode_create_session(struct xdr_stream *xdr, 5019fc931582SAndy Adamson struct nfs41_create_session_res *res) 5020fc931582SAndy Adamson { 5021fc931582SAndy Adamson __be32 *p; 5022fc931582SAndy Adamson int status; 5023fc931582SAndy Adamson struct nfs_client *clp = res->client; 5024fc931582SAndy Adamson struct nfs4_session *session = clp->cl_session; 5025fc931582SAndy Adamson 5026fc931582SAndy Adamson status = decode_op_hdr(xdr, OP_CREATE_SESSION); 5027e78291e4SBenny Halevy if (!status) 5028e78291e4SBenny Halevy status = decode_sessionid(xdr, &session->sess_id); 5029e78291e4SBenny Halevy if (unlikely(status)) 5030fc931582SAndy Adamson return status; 5031fc931582SAndy Adamson 5032fc931582SAndy Adamson /* seqid, flags */ 5033c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 8); 5034c0eae66eSBenny Halevy if (unlikely(!p)) 5035c0eae66eSBenny Halevy goto out_overflow; 50366f723f77SBenny Halevy clp->cl_seqid = be32_to_cpup(p++); 5037cccddf4fSBenny Halevy session->flags = be32_to_cpup(p); 5038fc931582SAndy Adamson 5039fc931582SAndy Adamson /* Channel attributes */ 5040fc931582SAndy Adamson status = decode_chan_attrs(xdr, &session->fc_attrs); 5041fc931582SAndy Adamson if (!status) 5042fc931582SAndy Adamson status = decode_chan_attrs(xdr, &session->bc_attrs); 5043fc931582SAndy Adamson return status; 5044c0eae66eSBenny Halevy out_overflow: 5045c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 5046c0eae66eSBenny Halevy return -EIO; 5047fc931582SAndy Adamson } 50480f3e66c6SAndy Adamson 50490f3e66c6SAndy Adamson static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) 50500f3e66c6SAndy Adamson { 50510f3e66c6SAndy Adamson return decode_op_hdr(xdr, OP_DESTROY_SESSION); 50520f3e66c6SAndy Adamson } 505318019753SRicardo Labiaga 505418019753SRicardo Labiaga static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) 505518019753SRicardo Labiaga { 505618019753SRicardo Labiaga return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); 505718019753SRicardo Labiaga } 505899fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 505999fe60d0SBenny Halevy 50609b7b9fccSAndy Adamson static int decode_sequence(struct xdr_stream *xdr, 50619b7b9fccSAndy Adamson struct nfs4_sequence_res *res, 50629b7b9fccSAndy Adamson struct rpc_rqst *rqstp) 50639b7b9fccSAndy Adamson { 50649b7b9fccSAndy Adamson #if defined(CONFIG_NFS_V4_1) 5065fc01cea9SAndy Adamson struct nfs4_sessionid id; 5066fc01cea9SAndy Adamson u32 dummy; 5067fc01cea9SAndy Adamson int status; 5068fc01cea9SAndy Adamson __be32 *p; 5069fc01cea9SAndy Adamson 50709b7b9fccSAndy Adamson if (!res->sr_session) 50719b7b9fccSAndy Adamson return 0; 50729b7b9fccSAndy Adamson 5073fc01cea9SAndy Adamson status = decode_op_hdr(xdr, OP_SEQUENCE); 5074e78291e4SBenny Halevy if (!status) 5075e78291e4SBenny Halevy status = decode_sessionid(xdr, &id); 5076e78291e4SBenny Halevy if (unlikely(status)) 5077fc01cea9SAndy Adamson goto out_err; 50789b7b9fccSAndy Adamson 5079fc01cea9SAndy Adamson /* 5080fc01cea9SAndy Adamson * If the server returns different values for sessionID, slotID or 5081fc01cea9SAndy Adamson * sequence number, the server is looney tunes. 5082fc01cea9SAndy Adamson */ 5083fdcb4577STrond Myklebust status = -EREMOTEIO; 5084fc01cea9SAndy Adamson 5085fc01cea9SAndy Adamson if (memcmp(id.data, res->sr_session->sess_id.data, 5086fc01cea9SAndy Adamson NFS4_MAX_SESSIONID_LEN)) { 5087fc01cea9SAndy Adamson dprintk("%s Invalid session id\n", __func__); 5088fc01cea9SAndy Adamson goto out_err; 5089fc01cea9SAndy Adamson } 5090e78291e4SBenny Halevy 5091c0eae66eSBenny Halevy p = xdr_inline_decode(xdr, 20); 5092c0eae66eSBenny Halevy if (unlikely(!p)) 5093c0eae66eSBenny Halevy goto out_overflow; 5094e78291e4SBenny Halevy 5095fc01cea9SAndy Adamson /* seqid */ 50966f723f77SBenny Halevy dummy = be32_to_cpup(p++); 5097dfb4f309SBenny Halevy if (dummy != res->sr_slot->seq_nr) { 5098fc01cea9SAndy Adamson dprintk("%s Invalid sequence number\n", __func__); 5099fc01cea9SAndy Adamson goto out_err; 5100fc01cea9SAndy Adamson } 5101fc01cea9SAndy Adamson /* slot id */ 51026f723f77SBenny Halevy dummy = be32_to_cpup(p++); 5103dfb4f309SBenny Halevy if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { 5104fc01cea9SAndy Adamson dprintk("%s Invalid slot id\n", __func__); 5105fc01cea9SAndy Adamson goto out_err; 5106fc01cea9SAndy Adamson } 5107fc01cea9SAndy Adamson /* highest slot id - currently not processed */ 51086f723f77SBenny Halevy dummy = be32_to_cpup(p++); 5109fc01cea9SAndy Adamson /* target highest slot id - currently not processed */ 51106f723f77SBenny Halevy dummy = be32_to_cpup(p++); 51110629e370SAlexandros Batsakis /* result flags */ 51120629e370SAlexandros Batsakis res->sr_status_flags = be32_to_cpup(p); 5113fc01cea9SAndy Adamson status = 0; 5114fc01cea9SAndy Adamson out_err: 5115fc01cea9SAndy Adamson res->sr_status = status; 5116fc01cea9SAndy Adamson return status; 5117c0eae66eSBenny Halevy out_overflow: 5118c0eae66eSBenny Halevy print_overflow_msg(__func__, xdr); 5119c0eae66eSBenny Halevy status = -EIO; 5120c0eae66eSBenny Halevy goto out_err; 5121fc01cea9SAndy Adamson #else /* CONFIG_NFS_V4_1 */ 51229b7b9fccSAndy Adamson return 0; 5123fc01cea9SAndy Adamson #endif /* CONFIG_NFS_V4_1 */ 51249b7b9fccSAndy Adamson } 51259b7b9fccSAndy Adamson 5126b1f69b75SAndy Adamson #if defined(CONFIG_NFS_V4_1) 5127b1f69b75SAndy Adamson 5128b1f69b75SAndy Adamson static int decode_getdeviceinfo(struct xdr_stream *xdr, 5129b1f69b75SAndy Adamson struct pnfs_device *pdev) 5130b1f69b75SAndy Adamson { 5131b1f69b75SAndy Adamson __be32 *p; 5132b1f69b75SAndy Adamson uint32_t len, type; 5133b1f69b75SAndy Adamson int status; 5134b1f69b75SAndy Adamson 5135b1f69b75SAndy Adamson status = decode_op_hdr(xdr, OP_GETDEVICEINFO); 5136b1f69b75SAndy Adamson if (status) { 5137b1f69b75SAndy Adamson if (status == -ETOOSMALL) { 5138b1f69b75SAndy Adamson p = xdr_inline_decode(xdr, 4); 5139b1f69b75SAndy Adamson if (unlikely(!p)) 5140b1f69b75SAndy Adamson goto out_overflow; 5141b1f69b75SAndy Adamson pdev->mincount = be32_to_cpup(p); 5142b1f69b75SAndy Adamson dprintk("%s: Min count too small. mincnt = %u\n", 5143b1f69b75SAndy Adamson __func__, pdev->mincount); 5144b1f69b75SAndy Adamson } 5145b1f69b75SAndy Adamson return status; 5146b1f69b75SAndy Adamson } 5147b1f69b75SAndy Adamson 5148b1f69b75SAndy Adamson p = xdr_inline_decode(xdr, 8); 5149b1f69b75SAndy Adamson if (unlikely(!p)) 5150b1f69b75SAndy Adamson goto out_overflow; 5151b1f69b75SAndy Adamson type = be32_to_cpup(p++); 5152b1f69b75SAndy Adamson if (type != pdev->layout_type) { 5153b1f69b75SAndy Adamson dprintk("%s: layout mismatch req: %u pdev: %u\n", 5154b1f69b75SAndy Adamson __func__, pdev->layout_type, type); 5155b1f69b75SAndy Adamson return -EINVAL; 5156b1f69b75SAndy Adamson } 5157b1f69b75SAndy Adamson /* 5158b1f69b75SAndy Adamson * Get the length of the opaque device_addr4. xdr_read_pages places 5159b1f69b75SAndy Adamson * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) 5160b1f69b75SAndy Adamson * and places the remaining xdr data in xdr_buf->tail 5161b1f69b75SAndy Adamson */ 5162b1f69b75SAndy Adamson pdev->mincount = be32_to_cpup(p); 5163b1f69b75SAndy Adamson xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ 5164b1f69b75SAndy Adamson 5165b1f69b75SAndy Adamson /* Parse notification bitmap, verifying that it is zero. */ 5166b1f69b75SAndy Adamson p = xdr_inline_decode(xdr, 4); 5167b1f69b75SAndy Adamson if (unlikely(!p)) 5168b1f69b75SAndy Adamson goto out_overflow; 5169b1f69b75SAndy Adamson len = be32_to_cpup(p); 5170b1f69b75SAndy Adamson if (len) { 5171ead00597SChuck Lever uint32_t i; 5172b1f69b75SAndy Adamson 5173b1f69b75SAndy Adamson p = xdr_inline_decode(xdr, 4 * len); 5174b1f69b75SAndy Adamson if (unlikely(!p)) 5175b1f69b75SAndy Adamson goto out_overflow; 5176b1f69b75SAndy Adamson for (i = 0; i < len; i++, p++) { 5177b1f69b75SAndy Adamson if (be32_to_cpup(p)) { 5178b1f69b75SAndy Adamson dprintk("%s: notifications not supported\n", 5179b1f69b75SAndy Adamson __func__); 5180b1f69b75SAndy Adamson return -EIO; 5181b1f69b75SAndy Adamson } 5182b1f69b75SAndy Adamson } 5183b1f69b75SAndy Adamson } 5184b1f69b75SAndy Adamson return 0; 5185b1f69b75SAndy Adamson out_overflow: 5186b1f69b75SAndy Adamson print_overflow_msg(__func__, xdr); 5187b1f69b75SAndy Adamson return -EIO; 5188b1f69b75SAndy Adamson } 5189b1f69b75SAndy Adamson 5190b1f69b75SAndy Adamson static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, 5191b1f69b75SAndy Adamson struct nfs4_layoutget_res *res) 5192b1f69b75SAndy Adamson { 5193b1f69b75SAndy Adamson __be32 *p; 5194b1f69b75SAndy Adamson int status; 5195b1f69b75SAndy Adamson u32 layout_count; 519635124a09SWeston Andros Adamson struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 519735124a09SWeston Andros Adamson struct kvec *iov = rcvbuf->head; 519835124a09SWeston Andros Adamson u32 hdrlen, recvd; 5199b1f69b75SAndy Adamson 5200b1f69b75SAndy Adamson status = decode_op_hdr(xdr, OP_LAYOUTGET); 5201b1f69b75SAndy Adamson if (status) 5202b1f69b75SAndy Adamson return status; 5203b1f69b75SAndy Adamson p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); 5204b1f69b75SAndy Adamson if (unlikely(!p)) 5205b1f69b75SAndy Adamson goto out_overflow; 5206b1f69b75SAndy Adamson res->return_on_close = be32_to_cpup(p++); 5207b1f69b75SAndy Adamson p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); 5208b1f69b75SAndy Adamson layout_count = be32_to_cpup(p); 5209b1f69b75SAndy Adamson if (!layout_count) { 5210b1f69b75SAndy Adamson dprintk("%s: server responded with empty layout array\n", 5211b1f69b75SAndy Adamson __func__); 5212b1f69b75SAndy Adamson return -EINVAL; 5213b1f69b75SAndy Adamson } 5214b1f69b75SAndy Adamson 521535124a09SWeston Andros Adamson p = xdr_inline_decode(xdr, 28); 5216b1f69b75SAndy Adamson if (unlikely(!p)) 5217b1f69b75SAndy Adamson goto out_overflow; 5218b1f69b75SAndy Adamson p = xdr_decode_hyper(p, &res->range.offset); 5219b1f69b75SAndy Adamson p = xdr_decode_hyper(p, &res->range.length); 5220b1f69b75SAndy Adamson res->range.iomode = be32_to_cpup(p++); 5221b1f69b75SAndy Adamson res->type = be32_to_cpup(p++); 522235124a09SWeston Andros Adamson res->layoutp->len = be32_to_cpup(p); 5223b1f69b75SAndy Adamson 5224b1f69b75SAndy Adamson dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", 5225b1f69b75SAndy Adamson __func__, 5226b1f69b75SAndy Adamson (unsigned long)res->range.offset, 5227b1f69b75SAndy Adamson (unsigned long)res->range.length, 5228b1f69b75SAndy Adamson res->range.iomode, 5229b1f69b75SAndy Adamson res->type, 523035124a09SWeston Andros Adamson res->layoutp->len); 5231b1f69b75SAndy Adamson 523235124a09SWeston Andros Adamson hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; 523335124a09SWeston Andros Adamson recvd = req->rq_rcv_buf.len - hdrlen; 523435124a09SWeston Andros Adamson if (res->layoutp->len > recvd) { 523535124a09SWeston Andros Adamson dprintk("NFS: server cheating in layoutget reply: " 523635124a09SWeston Andros Adamson "layout len %u > recvd %u\n", 523735124a09SWeston Andros Adamson res->layoutp->len, recvd); 523835124a09SWeston Andros Adamson return -EINVAL; 523935124a09SWeston Andros Adamson } 524035124a09SWeston Andros Adamson 524135124a09SWeston Andros Adamson xdr_read_pages(xdr, res->layoutp->len); 5242b1f69b75SAndy Adamson 5243b1f69b75SAndy Adamson if (layout_count > 1) { 5244b1f69b75SAndy Adamson /* We only handle a length one array at the moment. Any 5245b1f69b75SAndy Adamson * further entries are just ignored. Note that this means 5246b1f69b75SAndy Adamson * the client may see a response that is less than the 5247b1f69b75SAndy Adamson * minimum it requested. 5248b1f69b75SAndy Adamson */ 5249b1f69b75SAndy Adamson dprintk("%s: server responded with %d layouts, dropping tail\n", 5250b1f69b75SAndy Adamson __func__, layout_count); 5251b1f69b75SAndy Adamson } 5252b1f69b75SAndy Adamson 5253b1f69b75SAndy Adamson return 0; 5254b1f69b75SAndy Adamson out_overflow: 5255b1f69b75SAndy Adamson print_overflow_msg(__func__, xdr); 5256b1f69b75SAndy Adamson return -EIO; 5257b1f69b75SAndy Adamson } 5258863a3c6cSAndy Adamson 5259cbe82603SBenny Halevy static int decode_layoutreturn(struct xdr_stream *xdr, 5260cbe82603SBenny Halevy struct nfs4_layoutreturn_res *res) 5261cbe82603SBenny Halevy { 5262cbe82603SBenny Halevy __be32 *p; 5263cbe82603SBenny Halevy int status; 5264cbe82603SBenny Halevy 5265cbe82603SBenny Halevy status = decode_op_hdr(xdr, OP_LAYOUTRETURN); 5266cbe82603SBenny Halevy if (status) 5267cbe82603SBenny Halevy return status; 5268cbe82603SBenny Halevy p = xdr_inline_decode(xdr, 4); 5269cbe82603SBenny Halevy if (unlikely(!p)) 5270cbe82603SBenny Halevy goto out_overflow; 5271cbe82603SBenny Halevy res->lrs_present = be32_to_cpup(p); 5272cbe82603SBenny Halevy if (res->lrs_present) 5273cbe82603SBenny Halevy status = decode_stateid(xdr, &res->stateid); 5274cbe82603SBenny Halevy return status; 5275cbe82603SBenny Halevy out_overflow: 5276cbe82603SBenny Halevy print_overflow_msg(__func__, xdr); 5277cbe82603SBenny Halevy return -EIO; 5278cbe82603SBenny Halevy } 5279cbe82603SBenny Halevy 5280863a3c6cSAndy Adamson static int decode_layoutcommit(struct xdr_stream *xdr, 5281863a3c6cSAndy Adamson struct rpc_rqst *req, 5282863a3c6cSAndy Adamson struct nfs4_layoutcommit_res *res) 5283863a3c6cSAndy Adamson { 5284863a3c6cSAndy Adamson __be32 *p; 5285863a3c6cSAndy Adamson __u32 sizechanged; 5286863a3c6cSAndy Adamson int status; 5287863a3c6cSAndy Adamson 5288863a3c6cSAndy Adamson status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); 5289863a3c6cSAndy Adamson if (status) 5290863a3c6cSAndy Adamson return status; 5291863a3c6cSAndy Adamson 5292863a3c6cSAndy Adamson p = xdr_inline_decode(xdr, 4); 5293863a3c6cSAndy Adamson if (unlikely(!p)) 5294863a3c6cSAndy Adamson goto out_overflow; 5295863a3c6cSAndy Adamson sizechanged = be32_to_cpup(p); 5296863a3c6cSAndy Adamson 5297863a3c6cSAndy Adamson if (sizechanged) { 5298863a3c6cSAndy Adamson /* throw away new size */ 5299863a3c6cSAndy Adamson p = xdr_inline_decode(xdr, 8); 5300863a3c6cSAndy Adamson if (unlikely(!p)) 5301863a3c6cSAndy Adamson goto out_overflow; 5302863a3c6cSAndy Adamson } 5303863a3c6cSAndy Adamson return 0; 5304863a3c6cSAndy Adamson out_overflow: 5305863a3c6cSAndy Adamson print_overflow_msg(__func__, xdr); 5306863a3c6cSAndy Adamson return -EIO; 5307863a3c6cSAndy Adamson } 5308b1f69b75SAndy Adamson #endif /* CONFIG_NFS_V4_1 */ 5309b1f69b75SAndy Adamson 53101da177e4SLinus Torvalds /* 531149c2559eSBenny Halevy * END OF "GENERIC" DECODE ROUTINES. 531249c2559eSBenny Halevy */ 531349c2559eSBenny Halevy 531449c2559eSBenny Halevy /* 53151da177e4SLinus Torvalds * Decode OPEN_DOWNGRADE response 53161da177e4SLinus Torvalds */ 5317bf269551SChuck Lever static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, 5318bf269551SChuck Lever struct xdr_stream *xdr, 5319bf269551SChuck Lever struct nfs_closeres *res) 53201da177e4SLinus Torvalds { 53211da177e4SLinus Torvalds struct compound_hdr hdr; 53221da177e4SLinus Torvalds int status; 53231da177e4SLinus Torvalds 5324bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 53251da177e4SLinus Torvalds if (status) 53261da177e4SLinus Torvalds goto out; 5327bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 53289b7b9fccSAndy Adamson if (status) 53299b7b9fccSAndy Adamson goto out; 5330bf269551SChuck Lever status = decode_putfh(xdr); 53311da177e4SLinus Torvalds if (status) 53321da177e4SLinus Torvalds goto out; 5333bf269551SChuck Lever status = decode_open_downgrade(xdr, res); 5334516a6af6STrond Myklebust if (status != 0) 5335516a6af6STrond Myklebust goto out; 5336bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 533780e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 53381da177e4SLinus Torvalds out: 53391da177e4SLinus Torvalds return status; 53401da177e4SLinus Torvalds } 53411da177e4SLinus Torvalds 53421da177e4SLinus Torvalds /* 53431da177e4SLinus Torvalds * Decode ACCESS response 53441da177e4SLinus Torvalds */ 5345bf269551SChuck Lever static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5346bf269551SChuck Lever struct nfs4_accessres *res) 53471da177e4SLinus Torvalds { 53481da177e4SLinus Torvalds struct compound_hdr hdr; 53491da177e4SLinus Torvalds int status; 53501da177e4SLinus Torvalds 5351bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 53529b7b9fccSAndy Adamson if (status) 53539b7b9fccSAndy Adamson goto out; 5354bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 53559b7b9fccSAndy Adamson if (status) 53561da177e4SLinus Torvalds goto out; 5357bf269551SChuck Lever status = decode_putfh(xdr); 535876b32999STrond Myklebust if (status != 0) 535976b32999STrond Myklebust goto out; 5360bf269551SChuck Lever status = decode_access(xdr, res); 536176b32999STrond Myklebust if (status != 0) 536276b32999STrond Myklebust goto out; 5363bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 536480e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 53651da177e4SLinus Torvalds out: 53661da177e4SLinus Torvalds return status; 53671da177e4SLinus Torvalds } 53681da177e4SLinus Torvalds 53691da177e4SLinus Torvalds /* 53701da177e4SLinus Torvalds * Decode LOOKUP response 53711da177e4SLinus Torvalds */ 5372bf269551SChuck Lever static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5373bf269551SChuck Lever struct nfs4_lookup_res *res) 53741da177e4SLinus Torvalds { 53751da177e4SLinus Torvalds struct compound_hdr hdr; 53761da177e4SLinus Torvalds int status; 53771da177e4SLinus Torvalds 5378bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 53799b7b9fccSAndy Adamson if (status) 53809b7b9fccSAndy Adamson goto out; 5381bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 53829b7b9fccSAndy Adamson if (status) 53831da177e4SLinus Torvalds goto out; 5384bf269551SChuck Lever status = decode_putfh(xdr); 5385bf269551SChuck Lever if (status) 53861da177e4SLinus Torvalds goto out; 5387bf269551SChuck Lever status = decode_lookup(xdr); 5388bf269551SChuck Lever if (status) 53891da177e4SLinus Torvalds goto out; 5390bf269551SChuck Lever status = decode_getfh(xdr, res->fh); 5391bf269551SChuck Lever if (status) 53921da177e4SLinus Torvalds goto out; 5393bf269551SChuck Lever status = decode_getfattr(xdr, res->fattr, res->server 539480e52aceSTrond Myklebust ,!RPC_IS_ASYNC(rqstp->rq_task)); 53951da177e4SLinus Torvalds out: 53961da177e4SLinus Torvalds return status; 53971da177e4SLinus Torvalds } 53981da177e4SLinus Torvalds 53991da177e4SLinus Torvalds /* 54001da177e4SLinus Torvalds * Decode LOOKUP_ROOT response 54011da177e4SLinus Torvalds */ 5402bf269551SChuck Lever static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, 5403bf269551SChuck Lever struct xdr_stream *xdr, 5404bf269551SChuck Lever struct nfs4_lookup_res *res) 54051da177e4SLinus Torvalds { 54061da177e4SLinus Torvalds struct compound_hdr hdr; 54071da177e4SLinus Torvalds int status; 54081da177e4SLinus Torvalds 5409bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 54109b7b9fccSAndy Adamson if (status) 54119b7b9fccSAndy Adamson goto out; 5412bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 54139b7b9fccSAndy Adamson if (status) 54141da177e4SLinus Torvalds goto out; 5415bf269551SChuck Lever status = decode_putrootfh(xdr); 5416bf269551SChuck Lever if (status) 54171da177e4SLinus Torvalds goto out; 5418bf269551SChuck Lever status = decode_getfh(xdr, res->fh); 5419bf269551SChuck Lever if (status == 0) 5420bf269551SChuck Lever status = decode_getfattr(xdr, res->fattr, res->server, 542180e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 54221da177e4SLinus Torvalds out: 54231da177e4SLinus Torvalds return status; 54241da177e4SLinus Torvalds } 54251da177e4SLinus Torvalds 54261da177e4SLinus Torvalds /* 54271da177e4SLinus Torvalds * Decode REMOVE response 54281da177e4SLinus Torvalds */ 5429bf269551SChuck Lever static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5430bf269551SChuck Lever struct nfs_removeres *res) 54311da177e4SLinus Torvalds { 54321da177e4SLinus Torvalds struct compound_hdr hdr; 54331da177e4SLinus Torvalds int status; 54341da177e4SLinus Torvalds 5435bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 54369b7b9fccSAndy Adamson if (status) 54379b7b9fccSAndy Adamson goto out; 5438bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 54399b7b9fccSAndy Adamson if (status) 54401da177e4SLinus Torvalds goto out; 5441bf269551SChuck Lever status = decode_putfh(xdr); 5442bf269551SChuck Lever if (status) 544316e42959STrond Myklebust goto out; 5444bf269551SChuck Lever status = decode_remove(xdr, &res->cinfo); 5445bf269551SChuck Lever if (status) 544616e42959STrond Myklebust goto out; 5447bf269551SChuck Lever decode_getfattr(xdr, res->dir_attr, res->server, 544880e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 54491da177e4SLinus Torvalds out: 54501da177e4SLinus Torvalds return status; 54511da177e4SLinus Torvalds } 54521da177e4SLinus Torvalds 54531da177e4SLinus Torvalds /* 54541da177e4SLinus Torvalds * Decode RENAME response 54551da177e4SLinus Torvalds */ 5456bf269551SChuck Lever static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5457bf269551SChuck Lever struct nfs_renameres *res) 54581da177e4SLinus Torvalds { 54591da177e4SLinus Torvalds struct compound_hdr hdr; 54601da177e4SLinus Torvalds int status; 54611da177e4SLinus Torvalds 5462bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 54639b7b9fccSAndy Adamson if (status) 54649b7b9fccSAndy Adamson goto out; 5465bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 54669b7b9fccSAndy Adamson if (status) 54671da177e4SLinus Torvalds goto out; 5468bf269551SChuck Lever status = decode_putfh(xdr); 5469bf269551SChuck Lever if (status) 54701da177e4SLinus Torvalds goto out; 5471bf269551SChuck Lever status = decode_savefh(xdr); 5472bf269551SChuck Lever if (status) 54731da177e4SLinus Torvalds goto out; 5474bf269551SChuck Lever status = decode_putfh(xdr); 5475bf269551SChuck Lever if (status) 54761da177e4SLinus Torvalds goto out; 5477bf269551SChuck Lever status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); 5478bf269551SChuck Lever if (status) 54796caf2c82STrond Myklebust goto out; 54806caf2c82STrond Myklebust /* Current FH is target directory */ 5481bf269551SChuck Lever if (decode_getfattr(xdr, res->new_fattr, res->server, 548280e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)) != 0) 54836caf2c82STrond Myklebust goto out; 5484bf269551SChuck Lever status = decode_restorefh(xdr); 5485bf269551SChuck Lever if (status) 54866caf2c82STrond Myklebust goto out; 5487bf269551SChuck Lever decode_getfattr(xdr, res->old_fattr, res->server, 548880e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 54891da177e4SLinus Torvalds out: 54901da177e4SLinus Torvalds return status; 54911da177e4SLinus Torvalds } 54921da177e4SLinus Torvalds 54931da177e4SLinus Torvalds /* 54941da177e4SLinus Torvalds * Decode LINK response 54951da177e4SLinus Torvalds */ 5496bf269551SChuck Lever static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5497bf269551SChuck Lever struct nfs4_link_res *res) 54981da177e4SLinus Torvalds { 54991da177e4SLinus Torvalds struct compound_hdr hdr; 55001da177e4SLinus Torvalds int status; 55011da177e4SLinus Torvalds 5502bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 55039b7b9fccSAndy Adamson if (status) 55049b7b9fccSAndy Adamson goto out; 5505bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 55069b7b9fccSAndy Adamson if (status) 55071da177e4SLinus Torvalds goto out; 5508bf269551SChuck Lever status = decode_putfh(xdr); 5509bf269551SChuck Lever if (status) 55101da177e4SLinus Torvalds goto out; 5511bf269551SChuck Lever status = decode_savefh(xdr); 5512bf269551SChuck Lever if (status) 55131da177e4SLinus Torvalds goto out; 5514bf269551SChuck Lever status = decode_putfh(xdr); 5515bf269551SChuck Lever if (status) 55161da177e4SLinus Torvalds goto out; 5517bf269551SChuck Lever status = decode_link(xdr, &res->cinfo); 5518bf269551SChuck Lever if (status) 551991ba2eeeSTrond Myklebust goto out; 552091ba2eeeSTrond Myklebust /* 552191ba2eeeSTrond Myklebust * Note order: OP_LINK leaves the directory as the current 552291ba2eeeSTrond Myklebust * filehandle. 552391ba2eeeSTrond Myklebust */ 5524bf269551SChuck Lever if (decode_getfattr(xdr, res->dir_attr, res->server, 552580e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)) != 0) 552691ba2eeeSTrond Myklebust goto out; 5527bf269551SChuck Lever status = decode_restorefh(xdr); 5528bf269551SChuck Lever if (status) 552991ba2eeeSTrond Myklebust goto out; 5530bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 553180e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 55321da177e4SLinus Torvalds out: 55331da177e4SLinus Torvalds return status; 55341da177e4SLinus Torvalds } 55351da177e4SLinus Torvalds 55361da177e4SLinus Torvalds /* 55371da177e4SLinus Torvalds * Decode CREATE response 55381da177e4SLinus Torvalds */ 5539bf269551SChuck Lever static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5540bf269551SChuck Lever struct nfs4_create_res *res) 55411da177e4SLinus Torvalds { 55421da177e4SLinus Torvalds struct compound_hdr hdr; 55431da177e4SLinus Torvalds int status; 55441da177e4SLinus Torvalds 5545bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 55469b7b9fccSAndy Adamson if (status) 55479b7b9fccSAndy Adamson goto out; 5548bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 55499b7b9fccSAndy Adamson if (status) 55501da177e4SLinus Torvalds goto out; 5551bf269551SChuck Lever status = decode_putfh(xdr); 5552bf269551SChuck Lever if (status) 55531da177e4SLinus Torvalds goto out; 5554bf269551SChuck Lever status = decode_savefh(xdr); 5555bf269551SChuck Lever if (status) 555656ae19f3STrond Myklebust goto out; 5557bf269551SChuck Lever status = decode_create(xdr, &res->dir_cinfo); 5558bf269551SChuck Lever if (status) 55591da177e4SLinus Torvalds goto out; 5560bf269551SChuck Lever status = decode_getfh(xdr, res->fh); 5561bf269551SChuck Lever if (status) 55621da177e4SLinus Torvalds goto out; 5563bf269551SChuck Lever if (decode_getfattr(xdr, res->fattr, res->server, 556480e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)) != 0) 556556ae19f3STrond Myklebust goto out; 5566bf269551SChuck Lever status = decode_restorefh(xdr); 5567bf269551SChuck Lever if (status) 556856ae19f3STrond Myklebust goto out; 5569bf269551SChuck Lever decode_getfattr(xdr, res->dir_fattr, res->server, 557080e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 55711da177e4SLinus Torvalds out: 55721da177e4SLinus Torvalds return status; 55731da177e4SLinus Torvalds } 55741da177e4SLinus Torvalds 55751da177e4SLinus Torvalds /* 55761da177e4SLinus Torvalds * Decode SYMLINK response 55771da177e4SLinus Torvalds */ 5578bf269551SChuck Lever static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5579bf269551SChuck Lever struct nfs4_create_res *res) 55801da177e4SLinus Torvalds { 5581bf269551SChuck Lever return nfs4_xdr_dec_create(rqstp, xdr, res); 55821da177e4SLinus Torvalds } 55831da177e4SLinus Torvalds 55841da177e4SLinus Torvalds /* 55851da177e4SLinus Torvalds * Decode GETATTR response 55861da177e4SLinus Torvalds */ 5587bf269551SChuck Lever static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5588bf269551SChuck Lever struct nfs4_getattr_res *res) 55891da177e4SLinus Torvalds { 55901da177e4SLinus Torvalds struct compound_hdr hdr; 55911da177e4SLinus Torvalds int status; 55921da177e4SLinus Torvalds 5593bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 55941da177e4SLinus Torvalds if (status) 55951da177e4SLinus Torvalds goto out; 5596bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 55979b7b9fccSAndy Adamson if (status) 55989b7b9fccSAndy Adamson goto out; 5599bf269551SChuck Lever status = decode_putfh(xdr); 56001da177e4SLinus Torvalds if (status) 56011da177e4SLinus Torvalds goto out; 5602bf269551SChuck Lever status = decode_getfattr(xdr, res->fattr, res->server, 560380e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 56041da177e4SLinus Torvalds out: 56051da177e4SLinus Torvalds return status; 56061da177e4SLinus Torvalds } 56071da177e4SLinus Torvalds 560823ec6965SJ. Bruce Fields /* 560923ec6965SJ. Bruce Fields * Encode an SETACL request 561023ec6965SJ. Bruce Fields */ 56119f06c719SChuck Lever static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, 56129f06c719SChuck Lever struct nfs_setaclargs *args) 561323ec6965SJ. Bruce Fields { 561423ec6965SJ. Bruce Fields struct compound_hdr hdr = { 561566cc0429SBenny Halevy .minorversion = nfs4_xdr_minorversion(&args->seq_args), 561623ec6965SJ. Bruce Fields }; 561723ec6965SJ. Bruce Fields 56189f06c719SChuck Lever encode_compound_hdr(xdr, req, &hdr); 56199f06c719SChuck Lever encode_sequence(xdr, &args->seq_args, &hdr); 56209f06c719SChuck Lever encode_putfh(xdr, args->fh, &hdr); 56219f06c719SChuck Lever encode_setacl(xdr, args, &hdr); 5622d017931cSAndy Adamson encode_nops(&hdr); 562323ec6965SJ. Bruce Fields } 562405d564feSAndy Adamson 562523ec6965SJ. Bruce Fields /* 562623ec6965SJ. Bruce Fields * Decode SETACL response 562723ec6965SJ. Bruce Fields */ 562823ec6965SJ. Bruce Fields static int 5629bf269551SChuck Lever nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 563073c403a9SBenny Halevy struct nfs_setaclres *res) 563123ec6965SJ. Bruce Fields { 563223ec6965SJ. Bruce Fields struct compound_hdr hdr; 563323ec6965SJ. Bruce Fields int status; 563423ec6965SJ. Bruce Fields 5635bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 563623ec6965SJ. Bruce Fields if (status) 563723ec6965SJ. Bruce Fields goto out; 5638bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 56399b7b9fccSAndy Adamson if (status) 56409b7b9fccSAndy Adamson goto out; 5641bf269551SChuck Lever status = decode_putfh(xdr); 564223ec6965SJ. Bruce Fields if (status) 564323ec6965SJ. Bruce Fields goto out; 5644bf269551SChuck Lever status = decode_setattr(xdr); 564523ec6965SJ. Bruce Fields out: 564623ec6965SJ. Bruce Fields return status; 564723ec6965SJ. Bruce Fields } 56481da177e4SLinus Torvalds 56491da177e4SLinus Torvalds /* 5650029d105eSJ. Bruce Fields * Decode GETACL response 5651029d105eSJ. Bruce Fields */ 5652029d105eSJ. Bruce Fields static int 5653bf269551SChuck Lever nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5654663c79b3SBenny Halevy struct nfs_getaclres *res) 5655029d105eSJ. Bruce Fields { 5656029d105eSJ. Bruce Fields struct compound_hdr hdr; 5657029d105eSJ. Bruce Fields int status; 5658029d105eSJ. Bruce Fields 5659bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 5660029d105eSJ. Bruce Fields if (status) 5661029d105eSJ. Bruce Fields goto out; 5662bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 56639b7b9fccSAndy Adamson if (status) 56649b7b9fccSAndy Adamson goto out; 5665bf269551SChuck Lever status = decode_putfh(xdr); 5666029d105eSJ. Bruce Fields if (status) 5667029d105eSJ. Bruce Fields goto out; 5668bf269551SChuck Lever status = decode_getacl(xdr, rqstp, &res->acl_len); 5669029d105eSJ. Bruce Fields 5670029d105eSJ. Bruce Fields out: 5671029d105eSJ. Bruce Fields return status; 5672029d105eSJ. Bruce Fields } 5673029d105eSJ. Bruce Fields 5674029d105eSJ. Bruce Fields /* 56751da177e4SLinus Torvalds * Decode CLOSE response 56761da177e4SLinus Torvalds */ 5677bf269551SChuck Lever static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5678bf269551SChuck Lever struct nfs_closeres *res) 56791da177e4SLinus Torvalds { 56801da177e4SLinus Torvalds struct compound_hdr hdr; 56811da177e4SLinus Torvalds int status; 56821da177e4SLinus Torvalds 5683bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 56841da177e4SLinus Torvalds if (status) 56851da177e4SLinus Torvalds goto out; 5686bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 56879b7b9fccSAndy Adamson if (status) 56889b7b9fccSAndy Adamson goto out; 5689bf269551SChuck Lever status = decode_putfh(xdr); 56901da177e4SLinus Torvalds if (status) 56911da177e4SLinus Torvalds goto out; 5692bf269551SChuck Lever status = decode_close(xdr, res); 5693516a6af6STrond Myklebust if (status != 0) 5694516a6af6STrond Myklebust goto out; 5695516a6af6STrond Myklebust /* 5696516a6af6STrond Myklebust * Note: Server may do delete on close for this file 5697516a6af6STrond Myklebust * in which case the getattr call will fail with 5698516a6af6STrond Myklebust * an ESTALE error. Shouldn't be a problem, 5699516a6af6STrond Myklebust * though, since fattr->valid will remain unset. 5700516a6af6STrond Myklebust */ 5701bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 570280e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 57031da177e4SLinus Torvalds out: 57041da177e4SLinus Torvalds return status; 57051da177e4SLinus Torvalds } 57061da177e4SLinus Torvalds 57071da177e4SLinus Torvalds /* 57081da177e4SLinus Torvalds * Decode OPEN response 57091da177e4SLinus Torvalds */ 5710bf269551SChuck Lever static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5711bf269551SChuck Lever struct nfs_openres *res) 57121da177e4SLinus Torvalds { 57131da177e4SLinus Torvalds struct compound_hdr hdr; 57141da177e4SLinus Torvalds int status; 57151da177e4SLinus Torvalds 5716bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 57171da177e4SLinus Torvalds if (status) 57181da177e4SLinus Torvalds goto out; 5719bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 57209b7b9fccSAndy Adamson if (status) 57219b7b9fccSAndy Adamson goto out; 5722bf269551SChuck Lever status = decode_putfh(xdr); 57231da177e4SLinus Torvalds if (status) 57241da177e4SLinus Torvalds goto out; 5725bf269551SChuck Lever status = decode_savefh(xdr); 572656ae19f3STrond Myklebust if (status) 572756ae19f3STrond Myklebust goto out; 5728bf269551SChuck Lever status = decode_open(xdr, res); 57291da177e4SLinus Torvalds if (status) 57301da177e4SLinus Torvalds goto out; 5731bf269551SChuck Lever if (decode_getfh(xdr, &res->fh) != 0) 57321da177e4SLinus Torvalds goto out; 5733bf269551SChuck Lever if (decode_getfattr(xdr, res->f_attr, res->server, 573480e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)) != 0) 573556ae19f3STrond Myklebust goto out; 5736bf269551SChuck Lever if (decode_restorefh(xdr) != 0) 573756ae19f3STrond Myklebust goto out; 5738bf269551SChuck Lever decode_getfattr(xdr, res->dir_attr, res->server, 573980e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 57401da177e4SLinus Torvalds out: 57411da177e4SLinus Torvalds return status; 57421da177e4SLinus Torvalds } 57431da177e4SLinus Torvalds 57441da177e4SLinus Torvalds /* 57451da177e4SLinus Torvalds * Decode OPEN_CONFIRM response 57461da177e4SLinus Torvalds */ 5747bf269551SChuck Lever static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, 5748bf269551SChuck Lever struct xdr_stream *xdr, 5749bf269551SChuck Lever struct nfs_open_confirmres *res) 57501da177e4SLinus Torvalds { 57511da177e4SLinus Torvalds struct compound_hdr hdr; 57521da177e4SLinus Torvalds int status; 57531da177e4SLinus Torvalds 5754bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 57551da177e4SLinus Torvalds if (status) 57561da177e4SLinus Torvalds goto out; 5757bf269551SChuck Lever status = decode_putfh(xdr); 57581da177e4SLinus Torvalds if (status) 57591da177e4SLinus Torvalds goto out; 5760bf269551SChuck Lever status = decode_open_confirm(xdr, res); 57611da177e4SLinus Torvalds out: 57621da177e4SLinus Torvalds return status; 57631da177e4SLinus Torvalds } 57641da177e4SLinus Torvalds 57651da177e4SLinus Torvalds /* 57661da177e4SLinus Torvalds * Decode OPEN response 57671da177e4SLinus Torvalds */ 5768bf269551SChuck Lever static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, 5769bf269551SChuck Lever struct xdr_stream *xdr, 5770bf269551SChuck Lever struct nfs_openres *res) 57711da177e4SLinus Torvalds { 57721da177e4SLinus Torvalds struct compound_hdr hdr; 57731da177e4SLinus Torvalds int status; 57741da177e4SLinus Torvalds 5775bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 57761da177e4SLinus Torvalds if (status) 57771da177e4SLinus Torvalds goto out; 5778bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 57799b7b9fccSAndy Adamson if (status) 57809b7b9fccSAndy Adamson goto out; 5781bf269551SChuck Lever status = decode_putfh(xdr); 57821da177e4SLinus Torvalds if (status) 57831da177e4SLinus Torvalds goto out; 5784bf269551SChuck Lever status = decode_open(xdr, res); 5785864472e9STrond Myklebust if (status) 5786864472e9STrond Myklebust goto out; 5787bf269551SChuck Lever decode_getfattr(xdr, res->f_attr, res->server, 578880e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 57891da177e4SLinus Torvalds out: 57901da177e4SLinus Torvalds return status; 57911da177e4SLinus Torvalds } 57921da177e4SLinus Torvalds 57931da177e4SLinus Torvalds /* 57941da177e4SLinus Torvalds * Decode SETATTR response 57951da177e4SLinus Torvalds */ 5796bf269551SChuck Lever static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, 5797bf269551SChuck Lever struct xdr_stream *xdr, 5798bf269551SChuck Lever struct nfs_setattrres *res) 57991da177e4SLinus Torvalds { 58001da177e4SLinus Torvalds struct compound_hdr hdr; 58011da177e4SLinus Torvalds int status; 58021da177e4SLinus Torvalds 5803bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 58041da177e4SLinus Torvalds if (status) 58051da177e4SLinus Torvalds goto out; 5806bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 58079b7b9fccSAndy Adamson if (status) 58089b7b9fccSAndy Adamson goto out; 5809bf269551SChuck Lever status = decode_putfh(xdr); 58101da177e4SLinus Torvalds if (status) 58111da177e4SLinus Torvalds goto out; 5812bf269551SChuck Lever status = decode_setattr(xdr); 58131da177e4SLinus Torvalds if (status) 58141da177e4SLinus Torvalds goto out; 5815bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 581680e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 58171da177e4SLinus Torvalds out: 58181da177e4SLinus Torvalds return status; 58191da177e4SLinus Torvalds } 58201da177e4SLinus Torvalds 58211da177e4SLinus Torvalds /* 58221da177e4SLinus Torvalds * Decode LOCK response 58231da177e4SLinus Torvalds */ 5824bf269551SChuck Lever static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5825bf269551SChuck Lever struct nfs_lock_res *res) 58261da177e4SLinus Torvalds { 58271da177e4SLinus Torvalds struct compound_hdr hdr; 58281da177e4SLinus Torvalds int status; 58291da177e4SLinus Torvalds 5830bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 58311da177e4SLinus Torvalds if (status) 58321da177e4SLinus Torvalds goto out; 5833bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 58349b7b9fccSAndy Adamson if (status) 58359b7b9fccSAndy Adamson goto out; 5836bf269551SChuck Lever status = decode_putfh(xdr); 58371da177e4SLinus Torvalds if (status) 58381da177e4SLinus Torvalds goto out; 5839bf269551SChuck Lever status = decode_lock(xdr, res); 58401da177e4SLinus Torvalds out: 58411da177e4SLinus Torvalds return status; 58421da177e4SLinus Torvalds } 58431da177e4SLinus Torvalds 58441da177e4SLinus Torvalds /* 58451da177e4SLinus Torvalds * Decode LOCKT response 58461da177e4SLinus Torvalds */ 5847bf269551SChuck Lever static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5848bf269551SChuck Lever struct nfs_lockt_res *res) 58491da177e4SLinus Torvalds { 58501da177e4SLinus Torvalds struct compound_hdr hdr; 58511da177e4SLinus Torvalds int status; 58521da177e4SLinus Torvalds 5853bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 58541da177e4SLinus Torvalds if (status) 58551da177e4SLinus Torvalds goto out; 5856bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 58579b7b9fccSAndy Adamson if (status) 58589b7b9fccSAndy Adamson goto out; 5859bf269551SChuck Lever status = decode_putfh(xdr); 58601da177e4SLinus Torvalds if (status) 58611da177e4SLinus Torvalds goto out; 5862bf269551SChuck Lever status = decode_lockt(xdr, res); 58631da177e4SLinus Torvalds out: 58641da177e4SLinus Torvalds return status; 58651da177e4SLinus Torvalds } 58661da177e4SLinus Torvalds 58671da177e4SLinus Torvalds /* 58681da177e4SLinus Torvalds * Decode LOCKU response 58691da177e4SLinus Torvalds */ 5870bf269551SChuck Lever static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5871bf269551SChuck Lever struct nfs_locku_res *res) 58721da177e4SLinus Torvalds { 58731da177e4SLinus Torvalds struct compound_hdr hdr; 58741da177e4SLinus Torvalds int status; 58751da177e4SLinus Torvalds 5876bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 58771da177e4SLinus Torvalds if (status) 58781da177e4SLinus Torvalds goto out; 5879bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 58809b7b9fccSAndy Adamson if (status) 58819b7b9fccSAndy Adamson goto out; 5882bf269551SChuck Lever status = decode_putfh(xdr); 58831da177e4SLinus Torvalds if (status) 58841da177e4SLinus Torvalds goto out; 5885bf269551SChuck Lever status = decode_locku(xdr, res); 58861da177e4SLinus Torvalds out: 58871da177e4SLinus Torvalds return status; 58881da177e4SLinus Torvalds } 58891da177e4SLinus Torvalds 5890bf269551SChuck Lever static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, 5891bf269551SChuck Lever struct xdr_stream *xdr, void *dummy) 5892d3c7b7ccSTrond Myklebust { 5893d3c7b7ccSTrond Myklebust struct compound_hdr hdr; 5894d3c7b7ccSTrond Myklebust int status; 5895d3c7b7ccSTrond Myklebust 5896bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 5897d3c7b7ccSTrond Myklebust if (!status) 5898bf269551SChuck Lever status = decode_release_lockowner(xdr); 5899d3c7b7ccSTrond Myklebust return status; 5900d3c7b7ccSTrond Myklebust } 5901d3c7b7ccSTrond Myklebust 59021da177e4SLinus Torvalds /* 59031da177e4SLinus Torvalds * Decode READLINK response 59041da177e4SLinus Torvalds */ 5905bf269551SChuck Lever static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, 5906bf269551SChuck Lever struct xdr_stream *xdr, 5907f50c7000SBenny Halevy struct nfs4_readlink_res *res) 59081da177e4SLinus Torvalds { 59091da177e4SLinus Torvalds struct compound_hdr hdr; 59101da177e4SLinus Torvalds int status; 59111da177e4SLinus Torvalds 5912bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 59131da177e4SLinus Torvalds if (status) 59141da177e4SLinus Torvalds goto out; 5915bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 59169b7b9fccSAndy Adamson if (status) 59179b7b9fccSAndy Adamson goto out; 5918bf269551SChuck Lever status = decode_putfh(xdr); 59191da177e4SLinus Torvalds if (status) 59201da177e4SLinus Torvalds goto out; 5921bf269551SChuck Lever status = decode_readlink(xdr, rqstp); 59221da177e4SLinus Torvalds out: 59231da177e4SLinus Torvalds return status; 59241da177e4SLinus Torvalds } 59251da177e4SLinus Torvalds 59261da177e4SLinus Torvalds /* 59271da177e4SLinus Torvalds * Decode READDIR response 59281da177e4SLinus Torvalds */ 5929bf269551SChuck Lever static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5930bf269551SChuck Lever struct nfs4_readdir_res *res) 59311da177e4SLinus Torvalds { 59321da177e4SLinus Torvalds struct compound_hdr hdr; 59331da177e4SLinus Torvalds int status; 59341da177e4SLinus Torvalds 5935bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 59361da177e4SLinus Torvalds if (status) 59371da177e4SLinus Torvalds goto out; 5938bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 59399b7b9fccSAndy Adamson if (status) 59409b7b9fccSAndy Adamson goto out; 5941bf269551SChuck Lever status = decode_putfh(xdr); 59421da177e4SLinus Torvalds if (status) 59431da177e4SLinus Torvalds goto out; 5944bf269551SChuck Lever status = decode_readdir(xdr, rqstp, res); 59451da177e4SLinus Torvalds out: 59461da177e4SLinus Torvalds return status; 59471da177e4SLinus Torvalds } 59481da177e4SLinus Torvalds 59491da177e4SLinus Torvalds /* 59501da177e4SLinus Torvalds * Decode Read response 59511da177e4SLinus Torvalds */ 5952bf269551SChuck Lever static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5953bf269551SChuck Lever struct nfs_readres *res) 59541da177e4SLinus Torvalds { 59551da177e4SLinus Torvalds struct compound_hdr hdr; 59561da177e4SLinus Torvalds int status; 59571da177e4SLinus Torvalds 5958bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 59591da177e4SLinus Torvalds if (status) 59601da177e4SLinus Torvalds goto out; 5961bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 59629b7b9fccSAndy Adamson if (status) 59639b7b9fccSAndy Adamson goto out; 5964bf269551SChuck Lever status = decode_putfh(xdr); 59651da177e4SLinus Torvalds if (status) 59661da177e4SLinus Torvalds goto out; 5967bf269551SChuck Lever status = decode_read(xdr, rqstp, res); 59681da177e4SLinus Torvalds if (!status) 59691da177e4SLinus Torvalds status = res->count; 59701da177e4SLinus Torvalds out: 59711da177e4SLinus Torvalds return status; 59721da177e4SLinus Torvalds } 59731da177e4SLinus Torvalds 59741da177e4SLinus Torvalds /* 59751da177e4SLinus Torvalds * Decode WRITE response 59761da177e4SLinus Torvalds */ 5977bf269551SChuck Lever static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 5978bf269551SChuck Lever struct nfs_writeres *res) 59791da177e4SLinus Torvalds { 59801da177e4SLinus Torvalds struct compound_hdr hdr; 59811da177e4SLinus Torvalds int status; 59821da177e4SLinus Torvalds 5983bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 59841da177e4SLinus Torvalds if (status) 59851da177e4SLinus Torvalds goto out; 5986bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 59879b7b9fccSAndy Adamson if (status) 59889b7b9fccSAndy Adamson goto out; 5989bf269551SChuck Lever status = decode_putfh(xdr); 59901da177e4SLinus Torvalds if (status) 59911da177e4SLinus Torvalds goto out; 5992bf269551SChuck Lever status = decode_write(xdr, res); 59934f9838c7STrond Myklebust if (status) 59944f9838c7STrond Myklebust goto out; 59957ffd1064SFred Isaman if (res->fattr) 5996bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 599780e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 59981da177e4SLinus Torvalds if (!status) 59991da177e4SLinus Torvalds status = res->count; 60001da177e4SLinus Torvalds out: 60011da177e4SLinus Torvalds return status; 60021da177e4SLinus Torvalds } 60031da177e4SLinus Torvalds 60041da177e4SLinus Torvalds /* 60051da177e4SLinus Torvalds * Decode COMMIT response 60061da177e4SLinus Torvalds */ 6007bf269551SChuck Lever static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 6008bf269551SChuck Lever struct nfs_writeres *res) 60091da177e4SLinus Torvalds { 60101da177e4SLinus Torvalds struct compound_hdr hdr; 60111da177e4SLinus Torvalds int status; 60121da177e4SLinus Torvalds 6013bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 60141da177e4SLinus Torvalds if (status) 60151da177e4SLinus Torvalds goto out; 6016bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 60179b7b9fccSAndy Adamson if (status) 60189b7b9fccSAndy Adamson goto out; 6019bf269551SChuck Lever status = decode_putfh(xdr); 60201da177e4SLinus Torvalds if (status) 60211da177e4SLinus Torvalds goto out; 6022bf269551SChuck Lever status = decode_commit(xdr, res); 60234f9838c7STrond Myklebust if (status) 60244f9838c7STrond Myklebust goto out; 6025988b6dceSFred Isaman if (res->fattr) 6026bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 602780e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 60281da177e4SLinus Torvalds out: 60291da177e4SLinus Torvalds return status; 60301da177e4SLinus Torvalds } 60311da177e4SLinus Torvalds 60321da177e4SLinus Torvalds /* 60338b173218SRicardo Labiaga * Decode FSINFO response 60341da177e4SLinus Torvalds */ 6035bf269551SChuck Lever static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, 60363dda5e43SBenny Halevy struct nfs4_fsinfo_res *res) 60371da177e4SLinus Torvalds { 60381da177e4SLinus Torvalds struct compound_hdr hdr; 60391da177e4SLinus Torvalds int status; 60401da177e4SLinus Torvalds 6041bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 60421da177e4SLinus Torvalds if (!status) 6043bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, req); 60449b7b9fccSAndy Adamson if (!status) 6045bf269551SChuck Lever status = decode_putfh(xdr); 60461da177e4SLinus Torvalds if (!status) 6047bf269551SChuck Lever status = decode_fsinfo(xdr, res->fsinfo); 60481da177e4SLinus Torvalds return status; 60491da177e4SLinus Torvalds } 60501da177e4SLinus Torvalds 60511da177e4SLinus Torvalds /* 60528b173218SRicardo Labiaga * Decode PATHCONF response 60531da177e4SLinus Torvalds */ 6054bf269551SChuck Lever static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, 6055d45b2989SBenny Halevy struct nfs4_pathconf_res *res) 60561da177e4SLinus Torvalds { 60571da177e4SLinus Torvalds struct compound_hdr hdr; 60581da177e4SLinus Torvalds int status; 60591da177e4SLinus Torvalds 6060bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 60611da177e4SLinus Torvalds if (!status) 6062bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, req); 60639b7b9fccSAndy Adamson if (!status) 6064bf269551SChuck Lever status = decode_putfh(xdr); 60651da177e4SLinus Torvalds if (!status) 6066bf269551SChuck Lever status = decode_pathconf(xdr, res->pathconf); 60671da177e4SLinus Torvalds return status; 60681da177e4SLinus Torvalds } 60691da177e4SLinus Torvalds 60701da177e4SLinus Torvalds /* 60718b173218SRicardo Labiaga * Decode STATFS response 60721da177e4SLinus Torvalds */ 6073bf269551SChuck Lever static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, 607424ad148aSBenny Halevy struct nfs4_statfs_res *res) 60751da177e4SLinus Torvalds { 60761da177e4SLinus Torvalds struct compound_hdr hdr; 60771da177e4SLinus Torvalds int status; 60781da177e4SLinus Torvalds 6079bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 60801da177e4SLinus Torvalds if (!status) 6081bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, req); 60829b7b9fccSAndy Adamson if (!status) 6083bf269551SChuck Lever status = decode_putfh(xdr); 60841da177e4SLinus Torvalds if (!status) 6085bf269551SChuck Lever status = decode_statfs(xdr, res->fsstat); 60861da177e4SLinus Torvalds return status; 60871da177e4SLinus Torvalds } 60881da177e4SLinus Torvalds 60891da177e4SLinus Torvalds /* 60908b173218SRicardo Labiaga * Decode GETATTR_BITMAP response 60911da177e4SLinus Torvalds */ 6092bf269551SChuck Lever static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, 6093bf269551SChuck Lever struct xdr_stream *xdr, 6094bf269551SChuck Lever struct nfs4_server_caps_res *res) 60951da177e4SLinus Torvalds { 60961da177e4SLinus Torvalds struct compound_hdr hdr; 60971da177e4SLinus Torvalds int status; 60981da177e4SLinus Torvalds 6099bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 61009b7b9fccSAndy Adamson if (status) 61019b7b9fccSAndy Adamson goto out; 6102bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, req); 61039b7b9fccSAndy Adamson if (status) 61041da177e4SLinus Torvalds goto out; 6105bf269551SChuck Lever status = decode_putfh(xdr); 6106bf269551SChuck Lever if (status) 61071da177e4SLinus Torvalds goto out; 6108bf269551SChuck Lever status = decode_server_caps(xdr, res); 61091da177e4SLinus Torvalds out: 61101da177e4SLinus Torvalds return status; 61111da177e4SLinus Torvalds } 61121da177e4SLinus Torvalds 61131da177e4SLinus Torvalds /* 61141da177e4SLinus Torvalds * Decode RENEW response 61151da177e4SLinus Torvalds */ 6116bf269551SChuck Lever static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 6117bf269551SChuck Lever void *__unused) 61181da177e4SLinus Torvalds { 61191da177e4SLinus Torvalds struct compound_hdr hdr; 61201da177e4SLinus Torvalds int status; 61211da177e4SLinus Torvalds 6122bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 61231da177e4SLinus Torvalds if (!status) 6124bf269551SChuck Lever status = decode_renew(xdr); 61251da177e4SLinus Torvalds return status; 61261da177e4SLinus Torvalds } 61271da177e4SLinus Torvalds 61281da177e4SLinus Torvalds /* 61298b173218SRicardo Labiaga * Decode SETCLIENTID response 61301da177e4SLinus Torvalds */ 6131bf269551SChuck Lever static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, 6132bf269551SChuck Lever struct xdr_stream *xdr, 6133bb8b27e5STrond Myklebust struct nfs4_setclientid_res *res) 61341da177e4SLinus Torvalds { 61351da177e4SLinus Torvalds struct compound_hdr hdr; 61361da177e4SLinus Torvalds int status; 61371da177e4SLinus Torvalds 6138bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 61391da177e4SLinus Torvalds if (!status) 6140bf269551SChuck Lever status = decode_setclientid(xdr, res); 61411da177e4SLinus Torvalds return status; 61421da177e4SLinus Torvalds } 61431da177e4SLinus Torvalds 61441da177e4SLinus Torvalds /* 61458b173218SRicardo Labiaga * Decode SETCLIENTID_CONFIRM response 61461da177e4SLinus Torvalds */ 6147bf269551SChuck Lever static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, 6148bf269551SChuck Lever struct xdr_stream *xdr, 6149bf269551SChuck Lever struct nfs_fsinfo *fsinfo) 61501da177e4SLinus Torvalds { 61511da177e4SLinus Torvalds struct compound_hdr hdr; 61521da177e4SLinus Torvalds int status; 61531da177e4SLinus Torvalds 6154bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 61551da177e4SLinus Torvalds if (!status) 6156bf269551SChuck Lever status = decode_setclientid_confirm(xdr); 61571da177e4SLinus Torvalds if (!status) 6158bf269551SChuck Lever status = decode_putrootfh(xdr); 61591da177e4SLinus Torvalds if (!status) 6160bf269551SChuck Lever status = decode_fsinfo(xdr, fsinfo); 61611da177e4SLinus Torvalds return status; 61621da177e4SLinus Torvalds } 61631da177e4SLinus Torvalds 61641da177e4SLinus Torvalds /* 61658b173218SRicardo Labiaga * Decode DELEGRETURN response 61661da177e4SLinus Torvalds */ 6167bf269551SChuck Lever static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, 6168bf269551SChuck Lever struct xdr_stream *xdr, 6169bf269551SChuck Lever struct nfs4_delegreturnres *res) 61701da177e4SLinus Torvalds { 61711da177e4SLinus Torvalds struct compound_hdr hdr; 61721da177e4SLinus Torvalds int status; 61731da177e4SLinus Torvalds 6174bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 61759b7b9fccSAndy Adamson if (status) 61769b7b9fccSAndy Adamson goto out; 6177bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 61789b7b9fccSAndy Adamson if (status) 6179fa178f29STrond Myklebust goto out; 6180bf269551SChuck Lever status = decode_putfh(xdr); 6181fa178f29STrond Myklebust if (status != 0) 6182fa178f29STrond Myklebust goto out; 6183bf269551SChuck Lever status = decode_delegreturn(xdr); 6184556ae3bbSJeff Layton if (status != 0) 6185556ae3bbSJeff Layton goto out; 6186bf269551SChuck Lever decode_getfattr(xdr, res->fattr, res->server, 618780e52aceSTrond Myklebust !RPC_IS_ASYNC(rqstp->rq_task)); 6188fa178f29STrond Myklebust out: 61891da177e4SLinus Torvalds return status; 61901da177e4SLinus Torvalds } 61911da177e4SLinus Torvalds 6192683b57b4STrond Myklebust /* 61938b173218SRicardo Labiaga * Decode FS_LOCATIONS response 6194683b57b4STrond Myklebust */ 6195bf269551SChuck Lever static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, 6196bf269551SChuck Lever struct xdr_stream *xdr, 619722958463SBenny Halevy struct nfs4_fs_locations_res *res) 6198683b57b4STrond Myklebust { 6199683b57b4STrond Myklebust struct compound_hdr hdr; 6200683b57b4STrond Myklebust int status; 6201683b57b4STrond Myklebust 6202bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 62039b7b9fccSAndy Adamson if (status) 62049b7b9fccSAndy Adamson goto out; 6205bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, req); 62069b7b9fccSAndy Adamson if (status) 6207683b57b4STrond Myklebust goto out; 6208bf269551SChuck Lever status = decode_putfh(xdr); 6209bf269551SChuck Lever if (status) 6210683b57b4STrond Myklebust goto out; 6211bf269551SChuck Lever status = decode_lookup(xdr); 6212bf269551SChuck Lever if (status) 6213683b57b4STrond Myklebust goto out; 6214bf269551SChuck Lever xdr_enter_page(xdr, PAGE_SIZE); 6215bf269551SChuck Lever status = decode_getfattr(xdr, &res->fs_locations->fattr, 621680e52aceSTrond Myklebust res->fs_locations->server, 621780e52aceSTrond Myklebust !RPC_IS_ASYNC(req->rq_task)); 6218683b57b4STrond Myklebust out: 6219683b57b4STrond Myklebust return status; 6220683b57b4STrond Myklebust } 6221683b57b4STrond Myklebust 62225a5ea0d4SBryan Schumaker /* 62235a5ea0d4SBryan Schumaker * Decode SECINFO response 62245a5ea0d4SBryan Schumaker */ 62255a5ea0d4SBryan Schumaker static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, 62265a5ea0d4SBryan Schumaker struct xdr_stream *xdr, 62275a5ea0d4SBryan Schumaker struct nfs4_secinfo_res *res) 62285a5ea0d4SBryan Schumaker { 62295a5ea0d4SBryan Schumaker struct compound_hdr hdr; 62305a5ea0d4SBryan Schumaker int status; 62315a5ea0d4SBryan Schumaker 62325a5ea0d4SBryan Schumaker status = decode_compound_hdr(xdr, &hdr); 62335a5ea0d4SBryan Schumaker if (status) 62345a5ea0d4SBryan Schumaker goto out; 62355a5ea0d4SBryan Schumaker status = decode_sequence(xdr, &res->seq_res, rqstp); 62365a5ea0d4SBryan Schumaker if (status) 62375a5ea0d4SBryan Schumaker goto out; 62385a5ea0d4SBryan Schumaker status = decode_putfh(xdr); 62395a5ea0d4SBryan Schumaker if (status) 62405a5ea0d4SBryan Schumaker goto out; 62415a5ea0d4SBryan Schumaker status = decode_secinfo(xdr, res); 62425a5ea0d4SBryan Schumaker if (status) 62435a5ea0d4SBryan Schumaker goto out; 62445a5ea0d4SBryan Schumaker out: 62455a5ea0d4SBryan Schumaker return status; 62465a5ea0d4SBryan Schumaker } 62475a5ea0d4SBryan Schumaker 624899fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 624999fe60d0SBenny Halevy /* 62508b173218SRicardo Labiaga * Decode EXCHANGE_ID response 625199fe60d0SBenny Halevy */ 6252bf269551SChuck Lever static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, 6253bf269551SChuck Lever struct xdr_stream *xdr, 625499fe60d0SBenny Halevy void *res) 625599fe60d0SBenny Halevy { 625699fe60d0SBenny Halevy struct compound_hdr hdr; 625799fe60d0SBenny Halevy int status; 625899fe60d0SBenny Halevy 6259bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 626099fe60d0SBenny Halevy if (!status) 6261bf269551SChuck Lever status = decode_exchange_id(xdr, res); 626299fe60d0SBenny Halevy return status; 626399fe60d0SBenny Halevy } 62642050f0ccSAndy Adamson 62652050f0ccSAndy Adamson /* 62668b173218SRicardo Labiaga * Decode CREATE_SESSION response 6267fc931582SAndy Adamson */ 6268bf269551SChuck Lever static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, 6269bf269551SChuck Lever struct xdr_stream *xdr, 6270fc931582SAndy Adamson struct nfs41_create_session_res *res) 6271fc931582SAndy Adamson { 6272fc931582SAndy Adamson struct compound_hdr hdr; 6273fc931582SAndy Adamson int status; 6274fc931582SAndy Adamson 6275bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 6276fc931582SAndy Adamson if (!status) 6277bf269551SChuck Lever status = decode_create_session(xdr, res); 6278fc931582SAndy Adamson return status; 6279fc931582SAndy Adamson } 6280fc931582SAndy Adamson 6281fc931582SAndy Adamson /* 62828b173218SRicardo Labiaga * Decode DESTROY_SESSION response 62830f3e66c6SAndy Adamson */ 6284bf269551SChuck Lever static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, 6285bf269551SChuck Lever struct xdr_stream *xdr, 6286bf269551SChuck Lever void *res) 62870f3e66c6SAndy Adamson { 62880f3e66c6SAndy Adamson struct compound_hdr hdr; 62890f3e66c6SAndy Adamson int status; 62900f3e66c6SAndy Adamson 6291bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 62920f3e66c6SAndy Adamson if (!status) 6293bf269551SChuck Lever status = decode_destroy_session(xdr, res); 62940f3e66c6SAndy Adamson return status; 62950f3e66c6SAndy Adamson } 62960f3e66c6SAndy Adamson 62970f3e66c6SAndy Adamson /* 62988b173218SRicardo Labiaga * Decode SEQUENCE response 6299fc01cea9SAndy Adamson */ 6300bf269551SChuck Lever static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, 6301bf269551SChuck Lever struct xdr_stream *xdr, 6302fc01cea9SAndy Adamson struct nfs4_sequence_res *res) 6303fc01cea9SAndy Adamson { 6304fc01cea9SAndy Adamson struct compound_hdr hdr; 6305fc01cea9SAndy Adamson int status; 6306fc01cea9SAndy Adamson 6307bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 6308fc01cea9SAndy Adamson if (!status) 6309bf269551SChuck Lever status = decode_sequence(xdr, res, rqstp); 6310fc01cea9SAndy Adamson return status; 6311fc01cea9SAndy Adamson } 6312fc01cea9SAndy Adamson 6313fc01cea9SAndy Adamson /* 63148b173218SRicardo Labiaga * Decode GET_LEASE_TIME response 63152050f0ccSAndy Adamson */ 6316bf269551SChuck Lever static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, 6317bf269551SChuck Lever struct xdr_stream *xdr, 63182050f0ccSAndy Adamson struct nfs4_get_lease_time_res *res) 63192050f0ccSAndy Adamson { 63202050f0ccSAndy Adamson struct compound_hdr hdr; 63212050f0ccSAndy Adamson int status; 63222050f0ccSAndy Adamson 6323bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 63242050f0ccSAndy Adamson if (!status) 6325bf269551SChuck Lever status = decode_sequence(xdr, &res->lr_seq_res, rqstp); 63262050f0ccSAndy Adamson if (!status) 6327bf269551SChuck Lever status = decode_putrootfh(xdr); 63282050f0ccSAndy Adamson if (!status) 6329bf269551SChuck Lever status = decode_fsinfo(xdr, res->lr_fsinfo); 63302050f0ccSAndy Adamson return status; 63312050f0ccSAndy Adamson } 633218019753SRicardo Labiaga 633318019753SRicardo Labiaga /* 633418019753SRicardo Labiaga * Decode RECLAIM_COMPLETE response 633518019753SRicardo Labiaga */ 6336bf269551SChuck Lever static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, 6337bf269551SChuck Lever struct xdr_stream *xdr, 633818019753SRicardo Labiaga struct nfs41_reclaim_complete_res *res) 633918019753SRicardo Labiaga { 634018019753SRicardo Labiaga struct compound_hdr hdr; 634118019753SRicardo Labiaga int status; 634218019753SRicardo Labiaga 6343bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 634418019753SRicardo Labiaga if (!status) 6345bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 634618019753SRicardo Labiaga if (!status) 6347bf269551SChuck Lever status = decode_reclaim_complete(xdr, (void *)NULL); 634818019753SRicardo Labiaga return status; 634918019753SRicardo Labiaga } 6350b1f69b75SAndy Adamson 6351b1f69b75SAndy Adamson /* 6352b1f69b75SAndy Adamson * Decode GETDEVINFO response 6353b1f69b75SAndy Adamson */ 6354bf269551SChuck Lever static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, 6355bf269551SChuck Lever struct xdr_stream *xdr, 6356b1f69b75SAndy Adamson struct nfs4_getdeviceinfo_res *res) 6357b1f69b75SAndy Adamson { 6358b1f69b75SAndy Adamson struct compound_hdr hdr; 6359b1f69b75SAndy Adamson int status; 6360b1f69b75SAndy Adamson 6361bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 6362b1f69b75SAndy Adamson if (status != 0) 6363b1f69b75SAndy Adamson goto out; 6364bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 6365b1f69b75SAndy Adamson if (status != 0) 6366b1f69b75SAndy Adamson goto out; 6367bf269551SChuck Lever status = decode_getdeviceinfo(xdr, res->pdev); 6368b1f69b75SAndy Adamson out: 6369b1f69b75SAndy Adamson return status; 6370b1f69b75SAndy Adamson } 6371b1f69b75SAndy Adamson 6372b1f69b75SAndy Adamson /* 6373b1f69b75SAndy Adamson * Decode LAYOUTGET response 6374b1f69b75SAndy Adamson */ 6375bf269551SChuck Lever static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, 6376bf269551SChuck Lever struct xdr_stream *xdr, 6377b1f69b75SAndy Adamson struct nfs4_layoutget_res *res) 6378b1f69b75SAndy Adamson { 6379b1f69b75SAndy Adamson struct compound_hdr hdr; 6380b1f69b75SAndy Adamson int status; 6381b1f69b75SAndy Adamson 6382bf269551SChuck Lever status = decode_compound_hdr(xdr, &hdr); 6383b1f69b75SAndy Adamson if (status) 6384b1f69b75SAndy Adamson goto out; 6385bf269551SChuck Lever status = decode_sequence(xdr, &res->seq_res, rqstp); 6386b1f69b75SAndy Adamson if (status) 6387b1f69b75SAndy Adamson goto out; 6388bf269551SChuck Lever status = decode_putfh(xdr); 6389b1f69b75SAndy Adamson if (status) 6390b1f69b75SAndy Adamson goto out; 6391bf269551SChuck Lever status = decode_layoutget(xdr, rqstp, res); 6392b1f69b75SAndy Adamson out: 6393b1f69b75SAndy Adamson return status; 6394b1f69b75SAndy Adamson } 6395863a3c6cSAndy Adamson 6396863a3c6cSAndy Adamson /* 6397cbe82603SBenny Halevy * Decode LAYOUTRETURN response 6398cbe82603SBenny Halevy */ 6399cbe82603SBenny Halevy static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, 6400cbe82603SBenny Halevy struct xdr_stream *xdr, 6401cbe82603SBenny Halevy struct nfs4_layoutreturn_res *res) 6402cbe82603SBenny Halevy { 6403cbe82603SBenny Halevy struct compound_hdr hdr; 6404cbe82603SBenny Halevy int status; 6405cbe82603SBenny Halevy 6406cbe82603SBenny Halevy status = decode_compound_hdr(xdr, &hdr); 6407cbe82603SBenny Halevy if (status) 6408cbe82603SBenny Halevy goto out; 6409cbe82603SBenny Halevy status = decode_sequence(xdr, &res->seq_res, rqstp); 6410cbe82603SBenny Halevy if (status) 6411cbe82603SBenny Halevy goto out; 6412cbe82603SBenny Halevy status = decode_putfh(xdr); 6413cbe82603SBenny Halevy if (status) 6414cbe82603SBenny Halevy goto out; 6415cbe82603SBenny Halevy status = decode_layoutreturn(xdr, res); 6416cbe82603SBenny Halevy out: 6417cbe82603SBenny Halevy return status; 6418cbe82603SBenny Halevy } 6419cbe82603SBenny Halevy 6420cbe82603SBenny Halevy /* 6421863a3c6cSAndy Adamson * Decode LAYOUTCOMMIT response 6422863a3c6cSAndy Adamson */ 6423863a3c6cSAndy Adamson static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, 6424863a3c6cSAndy Adamson struct xdr_stream *xdr, 6425863a3c6cSAndy Adamson struct nfs4_layoutcommit_res *res) 6426863a3c6cSAndy Adamson { 6427863a3c6cSAndy Adamson struct compound_hdr hdr; 6428863a3c6cSAndy Adamson int status; 6429863a3c6cSAndy Adamson 6430863a3c6cSAndy Adamson status = decode_compound_hdr(xdr, &hdr); 6431863a3c6cSAndy Adamson if (status) 6432863a3c6cSAndy Adamson goto out; 6433863a3c6cSAndy Adamson status = decode_sequence(xdr, &res->seq_res, rqstp); 6434863a3c6cSAndy Adamson if (status) 6435863a3c6cSAndy Adamson goto out; 6436863a3c6cSAndy Adamson status = decode_putfh(xdr); 6437863a3c6cSAndy Adamson if (status) 6438863a3c6cSAndy Adamson goto out; 6439863a3c6cSAndy Adamson status = decode_layoutcommit(xdr, rqstp, res); 6440863a3c6cSAndy Adamson if (status) 6441863a3c6cSAndy Adamson goto out; 6442863a3c6cSAndy Adamson decode_getfattr(xdr, res->fattr, res->server, 6443863a3c6cSAndy Adamson !RPC_IS_ASYNC(rqstp->rq_task)); 6444863a3c6cSAndy Adamson out: 6445863a3c6cSAndy Adamson return status; 6446863a3c6cSAndy Adamson } 644799fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 644899fe60d0SBenny Halevy 6449573c4e1eSChuck Lever /** 6450573c4e1eSChuck Lever * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in 6451573c4e1eSChuck Lever * the local page cache. 6452573c4e1eSChuck Lever * @xdr: XDR stream where entry resides 6453573c4e1eSChuck Lever * @entry: buffer to fill in with entry data 6454573c4e1eSChuck Lever * @plus: boolean indicating whether this should be a readdirplus entry 6455573c4e1eSChuck Lever * 6456573c4e1eSChuck Lever * Returns zero if successful, otherwise a negative errno value is 6457573c4e1eSChuck Lever * returned. 6458573c4e1eSChuck Lever * 6459573c4e1eSChuck Lever * This function is not invoked during READDIR reply decoding, but 6460573c4e1eSChuck Lever * rather whenever an application invokes the getdents(2) system call 6461573c4e1eSChuck Lever * on a directory already in our cache. 6462573c4e1eSChuck Lever */ 6463573c4e1eSChuck Lever int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, 6464573c4e1eSChuck Lever int plus) 64651da177e4SLinus Torvalds { 64661da177e4SLinus Torvalds uint32_t bitmap[2] = {0}; 64671da177e4SLinus Torvalds uint32_t len; 6468babddc72SBryan Schumaker __be32 *p = xdr_inline_decode(xdr, 4); 6469babddc72SBryan Schumaker if (unlikely(!p)) 6470babddc72SBryan Schumaker goto out_overflow; 6471c08e76d0SChuck Lever if (*p == xdr_zero) { 6472babddc72SBryan Schumaker p = xdr_inline_decode(xdr, 4); 6473babddc72SBryan Schumaker if (unlikely(!p)) 6474babddc72SBryan Schumaker goto out_overflow; 6475c08e76d0SChuck Lever if (*p == xdr_zero) 6476573c4e1eSChuck Lever return -EAGAIN; 64771da177e4SLinus Torvalds entry->eof = 1; 6478573c4e1eSChuck Lever return -EBADCOOKIE; 64791da177e4SLinus Torvalds } 64801da177e4SLinus Torvalds 6481babddc72SBryan Schumaker p = xdr_inline_decode(xdr, 12); 6482babddc72SBryan Schumaker if (unlikely(!p)) 6483babddc72SBryan Schumaker goto out_overflow; 64841da177e4SLinus Torvalds entry->prev_cookie = entry->cookie; 64851da177e4SLinus Torvalds p = xdr_decode_hyper(p, &entry->cookie); 6486c08e76d0SChuck Lever entry->len = be32_to_cpup(p); 6487babddc72SBryan Schumaker 64889af8c222STrond Myklebust p = xdr_inline_decode(xdr, entry->len); 6489babddc72SBryan Schumaker if (unlikely(!p)) 6490babddc72SBryan Schumaker goto out_overflow; 64911da177e4SLinus Torvalds entry->name = (const char *) p; 64921da177e4SLinus Torvalds 64931da177e4SLinus Torvalds /* 64941da177e4SLinus Torvalds * In case the server doesn't return an inode number, 64951da177e4SLinus Torvalds * we fake one here. (We don't use inode number 0, 64961da177e4SLinus Torvalds * since glibc seems to choke on it...) 64971da177e4SLinus Torvalds */ 64981da177e4SLinus Torvalds entry->ino = 1; 64994f082222STrond Myklebust entry->fattr->valid = 0; 65001da177e4SLinus Torvalds 65019af8c222STrond Myklebust if (decode_attr_bitmap(xdr, bitmap) < 0) 6502babddc72SBryan Schumaker goto out_overflow; 65039af8c222STrond Myklebust 65049af8c222STrond Myklebust if (decode_attr_length(xdr, &len, &p) < 0) 6505babddc72SBryan Schumaker goto out_overflow; 65069af8c222STrond Myklebust 6507573c4e1eSChuck Lever if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, 6508573c4e1eSChuck Lever entry->server, 1) < 0) 6509babddc72SBryan Schumaker goto out_overflow; 651028331a46STrond Myklebust if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) 651128331a46STrond Myklebust entry->ino = entry->fattr->mounted_on_fileid; 651228331a46STrond Myklebust else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) 651382f2e547SBryan Schumaker entry->ino = entry->fattr->fileid; 65149af8c222STrond Myklebust 65150b26a0bfSTrond Myklebust entry->d_type = DT_UNKNOWN; 65160b26a0bfSTrond Myklebust if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) 65170b26a0bfSTrond Myklebust entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); 65180b26a0bfSTrond Myklebust 6519573c4e1eSChuck Lever return 0; 6520babddc72SBryan Schumaker 6521babddc72SBryan Schumaker out_overflow: 6522babddc72SBryan Schumaker print_overflow_msg(__func__, xdr); 6523573c4e1eSChuck Lever return -EAGAIN; 65241da177e4SLinus Torvalds } 65251da177e4SLinus Torvalds 65261da177e4SLinus Torvalds /* 65271da177e4SLinus Torvalds * We need to translate between nfs status return values and 65281da177e4SLinus Torvalds * the local errno values which may not be the same. 65291da177e4SLinus Torvalds */ 65301da177e4SLinus Torvalds static struct { 65311da177e4SLinus Torvalds int stat; 65321da177e4SLinus Torvalds int errno; 65331da177e4SLinus Torvalds } nfs_errtbl[] = { 65341da177e4SLinus Torvalds { NFS4_OK, 0 }, 6535856dff3dSBenny Halevy { NFS4ERR_PERM, -EPERM }, 6536856dff3dSBenny Halevy { NFS4ERR_NOENT, -ENOENT }, 6537856dff3dSBenny Halevy { NFS4ERR_IO, -errno_NFSERR_IO}, 6538856dff3dSBenny Halevy { NFS4ERR_NXIO, -ENXIO }, 6539856dff3dSBenny Halevy { NFS4ERR_ACCESS, -EACCES }, 6540856dff3dSBenny Halevy { NFS4ERR_EXIST, -EEXIST }, 6541856dff3dSBenny Halevy { NFS4ERR_XDEV, -EXDEV }, 6542856dff3dSBenny Halevy { NFS4ERR_NOTDIR, -ENOTDIR }, 6543856dff3dSBenny Halevy { NFS4ERR_ISDIR, -EISDIR }, 6544856dff3dSBenny Halevy { NFS4ERR_INVAL, -EINVAL }, 6545856dff3dSBenny Halevy { NFS4ERR_FBIG, -EFBIG }, 6546856dff3dSBenny Halevy { NFS4ERR_NOSPC, -ENOSPC }, 6547856dff3dSBenny Halevy { NFS4ERR_ROFS, -EROFS }, 6548856dff3dSBenny Halevy { NFS4ERR_MLINK, -EMLINK }, 6549856dff3dSBenny Halevy { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, 6550856dff3dSBenny Halevy { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, 6551856dff3dSBenny Halevy { NFS4ERR_DQUOT, -EDQUOT }, 6552856dff3dSBenny Halevy { NFS4ERR_STALE, -ESTALE }, 6553856dff3dSBenny Halevy { NFS4ERR_BADHANDLE, -EBADHANDLE }, 6554856dff3dSBenny Halevy { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, 6555856dff3dSBenny Halevy { NFS4ERR_NOTSUPP, -ENOTSUPP }, 6556856dff3dSBenny Halevy { NFS4ERR_TOOSMALL, -ETOOSMALL }, 6557fdcb4577STrond Myklebust { NFS4ERR_SERVERFAULT, -EREMOTEIO }, 6558856dff3dSBenny Halevy { NFS4ERR_BADTYPE, -EBADTYPE }, 6559856dff3dSBenny Halevy { NFS4ERR_LOCKED, -EAGAIN }, 6560856dff3dSBenny Halevy { NFS4ERR_SYMLINK, -ELOOP }, 6561856dff3dSBenny Halevy { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, 6562856dff3dSBenny Halevy { NFS4ERR_DEADLOCK, -EDEADLK }, 6563856dff3dSBenny Halevy { -1, -EIO } 65641da177e4SLinus Torvalds }; 65651da177e4SLinus Torvalds 65661da177e4SLinus Torvalds /* 65671da177e4SLinus Torvalds * Convert an NFS error code to a local one. 65681da177e4SLinus Torvalds * This one is used jointly by NFSv2 and NFSv3. 65691da177e4SLinus Torvalds */ 65701da177e4SLinus Torvalds static int 65710a8ea437SDavid Howells nfs4_stat_to_errno(int stat) 65721da177e4SLinus Torvalds { 65731da177e4SLinus Torvalds int i; 65741da177e4SLinus Torvalds for (i = 0; nfs_errtbl[i].stat != -1; i++) { 65751da177e4SLinus Torvalds if (nfs_errtbl[i].stat == stat) 65761da177e4SLinus Torvalds return nfs_errtbl[i].errno; 65771da177e4SLinus Torvalds } 65781da177e4SLinus Torvalds if (stat <= 10000 || stat > 10100) { 65791da177e4SLinus Torvalds /* The server is looney tunes. */ 6580fdcb4577STrond Myklebust return -EREMOTEIO; 65811da177e4SLinus Torvalds } 65821da177e4SLinus Torvalds /* If we cannot translate the error, the recovery routines should 65831da177e4SLinus Torvalds * handle it. 65841da177e4SLinus Torvalds * Note: remaining NFSv4 error codes have values > 10000, so should 65851da177e4SLinus Torvalds * not conflict with native Linux error codes. 65861da177e4SLinus Torvalds */ 6587856dff3dSBenny Halevy return -stat; 65881da177e4SLinus Torvalds } 65891da177e4SLinus Torvalds 65901da177e4SLinus Torvalds #define PROC(proc, argtype, restype) \ 65911da177e4SLinus Torvalds [NFSPROC4_CLNT_##proc] = { \ 65921da177e4SLinus Torvalds .p_proc = NFSPROC4_COMPOUND, \ 65939f06c719SChuck Lever .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ 6594bf269551SChuck Lever .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ 65952bea90d4SChuck Lever .p_arglen = NFS4_##argtype##_sz, \ 65962bea90d4SChuck Lever .p_replen = NFS4_##restype##_sz, \ 6597cc0175c1SChuck Lever .p_statidx = NFSPROC4_CLNT_##proc, \ 6598cc0175c1SChuck Lever .p_name = #proc, \ 65991da177e4SLinus Torvalds } 66001da177e4SLinus Torvalds 66011da177e4SLinus Torvalds struct rpc_procinfo nfs4_procedures[] = { 66021da177e4SLinus Torvalds PROC(READ, enc_read, dec_read), 66031da177e4SLinus Torvalds PROC(WRITE, enc_write, dec_write), 66041da177e4SLinus Torvalds PROC(COMMIT, enc_commit, dec_commit), 66051da177e4SLinus Torvalds PROC(OPEN, enc_open, dec_open), 66061da177e4SLinus Torvalds PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), 66071da177e4SLinus Torvalds PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), 66081da177e4SLinus Torvalds PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), 66091da177e4SLinus Torvalds PROC(CLOSE, enc_close, dec_close), 66101da177e4SLinus Torvalds PROC(SETATTR, enc_setattr, dec_setattr), 66111da177e4SLinus Torvalds PROC(FSINFO, enc_fsinfo, dec_fsinfo), 66121da177e4SLinus Torvalds PROC(RENEW, enc_renew, dec_renew), 66131da177e4SLinus Torvalds PROC(SETCLIENTID, enc_setclientid, dec_setclientid), 66141da177e4SLinus Torvalds PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), 66151da177e4SLinus Torvalds PROC(LOCK, enc_lock, dec_lock), 66161da177e4SLinus Torvalds PROC(LOCKT, enc_lockt, dec_lockt), 66171da177e4SLinus Torvalds PROC(LOCKU, enc_locku, dec_locku), 66181da177e4SLinus Torvalds PROC(ACCESS, enc_access, dec_access), 66191da177e4SLinus Torvalds PROC(GETATTR, enc_getattr, dec_getattr), 66201da177e4SLinus Torvalds PROC(LOOKUP, enc_lookup, dec_lookup), 66211da177e4SLinus Torvalds PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), 66221da177e4SLinus Torvalds PROC(REMOVE, enc_remove, dec_remove), 66231da177e4SLinus Torvalds PROC(RENAME, enc_rename, dec_rename), 66241da177e4SLinus Torvalds PROC(LINK, enc_link, dec_link), 66251da177e4SLinus Torvalds PROC(SYMLINK, enc_symlink, dec_symlink), 66261da177e4SLinus Torvalds PROC(CREATE, enc_create, dec_create), 66271da177e4SLinus Torvalds PROC(PATHCONF, enc_pathconf, dec_pathconf), 66281da177e4SLinus Torvalds PROC(STATFS, enc_statfs, dec_statfs), 66291da177e4SLinus Torvalds PROC(READLINK, enc_readlink, dec_readlink), 66301da177e4SLinus Torvalds PROC(READDIR, enc_readdir, dec_readdir), 66311da177e4SLinus Torvalds PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), 66321da177e4SLinus Torvalds PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), 6633029d105eSJ. Bruce Fields PROC(GETACL, enc_getacl, dec_getacl), 663423ec6965SJ. Bruce Fields PROC(SETACL, enc_setacl, dec_setacl), 6635683b57b4STrond Myklebust PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), 6636d3c7b7ccSTrond Myklebust PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), 66375a5ea0d4SBryan Schumaker PROC(SECINFO, enc_secinfo, dec_secinfo), 663899fe60d0SBenny Halevy #if defined(CONFIG_NFS_V4_1) 663999fe60d0SBenny Halevy PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), 6640fc931582SAndy Adamson PROC(CREATE_SESSION, enc_create_session, dec_create_session), 66410f3e66c6SAndy Adamson PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), 6642fc01cea9SAndy Adamson PROC(SEQUENCE, enc_sequence, dec_sequence), 66432050f0ccSAndy Adamson PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), 664418019753SRicardo Labiaga PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), 6645b1f69b75SAndy Adamson PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), 6646b1f69b75SAndy Adamson PROC(LAYOUTGET, enc_layoutget, dec_layoutget), 6647863a3c6cSAndy Adamson PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), 6648cbe82603SBenny Halevy PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), 664999fe60d0SBenny Halevy #endif /* CONFIG_NFS_V4_1 */ 66501da177e4SLinus Torvalds }; 66511da177e4SLinus Torvalds 66521da177e4SLinus Torvalds struct rpc_version nfs_version4 = { 66531da177e4SLinus Torvalds .number = 4, 6654e8c96f8cSTobias Klauser .nrprocs = ARRAY_SIZE(nfs4_procedures), 66551da177e4SLinus Torvalds .procs = nfs4_procedures 66561da177e4SLinus Torvalds }; 66571da177e4SLinus Torvalds 66581da177e4SLinus Torvalds /* 66591da177e4SLinus Torvalds * Local variables: 66601da177e4SLinus Torvalds * c-basic-offset: 8 66611da177e4SLinus Torvalds * End: 66621da177e4SLinus Torvalds */ 6663